https://artosalminen.github.io/tags/finance/ Recent content in Finance on Arto's dev time by-products Hugo -- gohugo.io en Sat, 19 Sep 2026 00:00:00 +0000 https://artosalminen.github.io/posts/how-i-built-a-vehicle-cost-comparison-tool/ Sat, 19 Sep 2026 00:00:00 +0000 https://artosalminen.github.io/posts/how-i-built-a-vehicle-cost-comparison-tool/ <p>I was replacing a 2014 petrol MPV with a used EV. Along the way I collected insurance quotes, checked the vehicle tax bracket, asked for a battery health certificate, got a trade-in offer, and compared a cash price against a dealer&rsquo;s financing plan. Somewhere in the middle of all that I wanted one simple thing: a single number telling me what switching would actually cost per year, compared to just keeping the car I already had.</p>