Differences between Cent account and Nano lot

What are the differences between cent account and nano lot?

You seem for some reason to have three different profiles and to be asking the same questions from each, but then ignoring both the answers you’re getting and sometimes the information already in the thread where you’re asking, and just repeating the question?

Sorry if the information here is unhelpful to you.

I really think the free course will help you, though -