In order to profitably sell bitcoins, you need to know how and where it is better to change them. I was thinking about how to open my cryptocurrency exchange market. I found on the Internet a detailed article
https://merehead.com/blog/cryptocurr...change-script/ how to organize my market. I think that if you understand how this works, you will be able to choose the appropriate exchange for this. I think that now isn't the best time to sell cryptocurrency, maybe you should change Bitcoin to a more promising cryptocurrency?