Sentinel

In cryptos all that one has to do is invest in a solid project or 2. The scene is littered with projects but 97% (if not more) of them are ****. Just do a literature review of the white papers and choose well. I went nearly all in on Chainlink, some 0x and Bitcoin. Ethereum is also great. Avoid dubious projects which imho includes even XRP. This one seems more of a Ponzi scheme. It seems many bought at a high price and are not willing to make a loss. These are in turn convincing others to get into this gigantic mess.

A bit late in my reply but going to leave an answer anyway maybe it will be helpful for anyone else. Yes you can download as much as you can and no download limit. Bought a month subscription for just one course as it was more worth it for me and downloaded much much more. Only problem is time now :)