This very simple but easy-to-use calculator will give you many different kinds of breakdowns on how much profit you can make, given the numbers and prices, as well as price differences and fees, etc. I use it all the time, and it works great and is very accurate.
https://myprofit.github.io/
Note: This program is HTML-based (use it in your browser, no download needed).
https://myprofit.github.io/
Note: This program is HTML-based (use it in your browser, no download needed).
