Hey I know this is not the releated topic but i didn't find any topic most related to here . decided to open here . I want to ask a question , me and my partner decided to build an fba account on amazon . Our plan is finding niche on bestseller amazon and wholesaling ong alibaba.com and put in amazon , so i want to ask you can you give me a ratio of which cost amazon will take us from per sale every operation they've done . Thank you .