Every week, someone walks into the workshop carrying a broken device and the same question: is it worth fixing? Sometimes the answer is obvious. A PS5 with a snapped HDMI port — fix it, no question. A decade-old laptop with a failed motherboard — probably not. But most cases land somewhere in the middle, and that's where people make expensive mistakes in both directions. This guide gives you a concrete framework so you don't have to guess.

TL;DR: Use the 50% rule — if repair costs more than half of what an equivalent replacement costs today, replacement usually wins. But age, software support, and environmental impact all shift the calculation. Repairing a device extends its usable life by 3–5 years on average, according to the European Environment Agency (EEA, 2023).

What Is the 50% Rule for Repair vs Replacement?

The 50% rule is the most widely used benchmark in the repair industry: if the repair estimate exceeds 50% of what a comparable replacement device costs today, replacement is usually the smarter financial move. According to iFixit's 2023 repairability analysis, the average consumer replaces a device when repair quotes reach 40–60% of replacement cost — right where the economics actually shift. It's a rough guide, not a law. Context always matters.

The key phrase is "comparable replacement today." Not what you paid three years ago. Not the manufacturer's current new price. What a similar working unit sells for right now — used, refurbished, or new — in the Finnish market. A PS4 you paid €300 for in 2016 might cost €80 used today. That changes the repair calculus completely.

Sentimental value is real, too. A MacBook someone's had for six years with all their work on it isn't just a commodity. That's legitimate. But be honest with yourself about whether sentiment is driving the decision, because a €200 repair on an €80 device is still a €200 repair.

How Does Device Age Affect the Decision?

Age matters more for the platform than for the physical unit itself. The EU's product lifetime study (European Commission, 2021) found that most electronic devices have a functional hardware lifespan of 7–10 years, but software support — firmware updates, game libraries, app compatibility — often ends sooner. A PS4 released in 2013 is now over a decade old. Sony officially ended PS4 first-party game development. That's the real limit.

There's a useful mental split here: hardware age vs platform age. A PS5 released in late 2020 is around 5–6 years old in 2026. It's mid-life. Games are still releasing, Sony still supports it, and the hardware was built to last. A PS4 at 10 years is at the end of its platform life regardless of physical condition. Fixing the hardware doesn't extend the ecosystem.

Laptops age differently. A 4-year-old laptop running Windows 11 with a solid-state drive is still entirely capable for most tasks. A 7-year-old laptop that can't receive Windows 11 updates is a security liability, not just an old machine. Age alone doesn't answer the question — platform support does.

The Repair vs Replace Decision Table

This table gives a quick orientation for common scenarios. The repair cost percentage is calculated against the current used/refurbished market price, not the original retail price.

Device & Situation Device Age Repair Cost as % of Replacement Recommendation
PS5 — HDMI port fault 3–5 years ~14% (€75 repair / €549 new) Repair — clear choice
PS4 — Blue Line of Death (APU reflow) 10+ years ~100–150% (€120–180 repair / €120 used PS4) Replace — economically unrepairable
Laptop — cracked screen (mid-range model) 2–4 years ~15–25% (€100–150 repair / €600 replacement) Repair — straightforward value
Laptop — failed motherboard (budget model) 5+ years ~60–80% (€180–250 repair / €300 replacement) Replace — marginal at best
MacBook — battery replacement 3–6 years ~8–12% (€100–140 repair / €1200+ replacement) Repair — almost always worth it
PS4 — disc drive fault only 8–10 years ~35–50% (€40–60 repair / €120 used PS4) Borderline — depends on how much you still use it

What Does "Economically Unrepairable" Actually Mean?

A device is economically unrepairable when the repair cost meets or exceeds what a comparable working unit sells for today. According to the European Reuse Network (2022), roughly 12% of devices brought to repair shops fall into this category — not because they can't be fixed technically, but because fixing them costs more than replacing them. That's a meaningful distinction.

The clearest example from day-to-day repair work: a PS4 with Blue Line of Death caused by a degraded solder joint on the APU. Reballing the APU — removing the chip, cleaning the pads, applying new solder balls, and reflowing — runs €120–180 depending on the lab. A working used PS4 Pro sells for around €120 on Tori.fi. You'd spend the same money either way, but with the repair you still have a 10-year-old platform with no future software support. That's economically unrepairable.

Roughly 12% of consumer electronics brought to independent repair shops are economically unrepairable — not because repair is technically impossible, but because the repair cost meets or exceeds the current used market value of a comparable working unit. This figure, from the European Reuse Network (2022), underscores that "can it be fixed" and "should it be fixed" are two distinct questions.

Does the EU Right to Repair Directive Change Anything for Finnish Consumers?

Yes — and more than most people realise. The EU Right to Repair Directive (2024/1799/EU) passed in 2024 and requires EU member states, including Finland, to transpose it into national law by 2026. It obliges manufacturers to supply spare parts, diagnostic tools, and repair documentation at reasonable prices to independent repairers. It also bans software techniques designed to block independent repair. ([European Parliament](https://www.europarl.europa.eu/), 2024)

What that means in practice: manufacturers can no longer legally lock you into their own service network at inflated prices. Independent shops get access to the same parts channels. That keeps repair costs competitive and makes the 50% rule easier to apply, because you're comparing against fair market repair prices — not artificially inflated ones.

Finnish consumer law already offered strong baseline protections. Under the Finnish Consumer Protection Act (Kuluttajansuojalaki), a product that fails within its expected lifespan may entitle you to a free repair or replacement from the seller, even after the standard two-year warranty. Worth checking before you pay for anything.

Why Does the Environmental Angle Actually Matter Here?

Finland has consistently ranked among the top countries in the EU for circular economy performance, according to Eurostat (2023). That context matters for the repair vs replace decision, because Finnish sustainability culture isn't just marketing — it shapes what options are actually available to you. Repair infrastructure here is better than in many comparable markets.

Repairing a device instead of replacing it extends its usable life by 3–5 years on average, according to the European Environment Agency (EEA, 2023). Manufacturing a new smartphone produces roughly 70 kg of CO₂ equivalent; a typical repair produces a fraction of that. For consoles and laptops, the manufacturing footprint is even larger.

Here's something the "just buy new" camp rarely accounts for: the environmental cost of the device you already own has already been paid. The carbon was emitted when it was made. Throwing it away doesn't undo that — it just adds the next device's manufacturing cost on top. Repair is the only option that doesn't double the environmental bill.

Three Specific Scenarios: What We'd Recommend

Abstract rules only go so far. Here's how the repair vs replace logic plays out in three concrete situations we see regularly in the workshop.

PS5 with a Broken HDMI Port

This is almost always worth repairing. The PS5 retails at €549. An HDMI port replacement at a competent shop costs €60–90 in Helsinki. That's 11–16% of replacement cost — well inside any sensible threshold. The console is mid-life on its platform, with years of first-party titles still releasing. Don't replace it over a port.

PS4 with Blue Line of Death

This is the borderline case that genuinely goes either way. If the fault is a software corruption issue, a rebuild can cost €40–60 and is clearly worth it. If it's an APU solder problem requiring a full reball, you're at €120–180 — comparable to buying a used replacement. At that point, platform age tips the decision toward replacement unless you have specific data on the drive you need to recover.

Laptop with a Cracked Screen

For most laptops under four years old, screen replacement is worth it. Parts and labour typically land at €80–150 depending on the panel. A working mid-range laptop with a cracked screen still has years of useful life and software support. The screen is just a component. Replace the component, not the machine.

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Frequently Asked Questions

What is the 50% rule for repair vs replacement?

The 50% rule says: if repair costs more than 50% of what a comparable replacement costs today, replacement is usually the better financial choice. "Today" is the operative word — use the current used or refurbished market price, not what you originally paid. It's a guide, not a guarantee, and sentimental value or data recovery needs can shift the answer.

Is it worth repairing a PS5 with an HDMI port fault?

Almost always yes. A PS5 HDMI port replacement typically costs €60–90 at a competent repair shop. The console retails at around €549 new — so that's roughly 12–16% of replacement cost. The PS5 is still mid-platform-life with active software support, making repair the clear economic choice in this scenario.

What does "economically unrepairable" actually mean in practice?

A device is economically unrepairable when the repair cost meets or exceeds what a working replacement unit sells for today. A PS4 with an APU solder fault can cost €120–180 to reball — but a working used PS4 sells for around €120. When the numbers are equal and the platform is end-of-life, replacement wins. About 12% of devices fall into this category, according to the European Reuse Network (2022).

What rights do Finnish consumers have under the EU Right to Repair Directive?

The EU Right to Repair Directive (2024/1799/EU) requires manufacturers to supply spare parts, tools, and repair documentation at fair prices to independent repairers, and bans software blocks on independent repair. Finland must implement this by 2026. The Finnish Consumer Protection Act also gives you rights against the seller if a product fails within its expected lifespan — regardless of manufacturer warranty terms.

Is a laptop with a cracked screen worth repairing?

For most laptops under four years old, yes. Screen replacement typically costs €80–150 in parts and labour, depending on the model. If the rest of the machine runs well and it still receives OS updates, that's almost always below the 50% threshold. Exceptions include very cheap sub-€300 laptops where the repair cost can climb close to half of a new entry-level replacement.