That's a fair question. The premise I'm working from is that often people (myself included) do not associate the dollar value of their purchases with the actual time and effort required to earn that amount of money. You get a lump sum in your bank account every 2 weeks and there's no relationship between effort and reward. The number is abstract. The purchase funnel online (in apps, or in store, or anywhere really) are all designed and optimized to push you through the purchase as fast as possible (see: large shopping destination patenting the one click purchase button). Even the fact you only see the full price on the final checkout screen with all the tax, tips, shipping included works to the advantage of businesses. So, if my tool works the way I hope it does, it will stop and make you think about all the time you spent working before you complete a purchase. I suspect that once you realise how much actual time it costs you, you're less likely to make frivolous, unnecessary purchases. It's the same principle as people putting their credit card in the freezer and then thawing it to give them sufficient time to think about a purchase. Would you buy that new sweater if you knew it cost you 4 hours to earn? Lowering the rate at which we consume and ship things across the globe for our amusement is difficult to quantify in terms of environmental impact but I also hope there are secondary effects. For instance, I still recycle even though I've been told by multiple sources that it's not useful. The act itself has made me consume less because I'm aware that even recycling won't save us.
I see how the title is confusing. I will consider another title next time I post this idea somewhere. Thanks!