How much profit is okay when selling used stuff?

[highwaystar101]

I do it all the time as a hobby.

I buy and sell SNES games on eBay. I have two strategies. One is to buy SNES collections and split it up (after fixing/cleaning it) and the other is to buy games from regions where they are common and advertise them in regions where they aren't.

For example, the German and UK Hagane cartridges are identical (as a quite a few European games are), but the game sold much better in Germany. Hagane is now wanted by UK collectors. I can import a copy of Hagane that's listed on eBay in Germany for £25 and sell it to a collector in the UK for £50. The only downside is that the amount of buyers is limited. I often wait weeks, sometimes months, for one game to sell; this also means the market is easy to saturate too (there isn't room for two people selling the same rare game like this).

But do I feel bad about potentially making 100% profit? Not at all. I feel as though I've earned that profit by providing a service.

The way I look at it is that my customers are willing to pay a higher price in order to save the time and effort of looking for rare, good value games from other countries. Really, what they're paying for is the convenience of not having to do all the ground work themselves, because I do that for them. It's the same with you too.