I began to think this would be a waste of time with everything I learned because almost all the projects I had followed ended in scammers. Is this a waste of time for me? 
it's just a stream of bad luck, despite the mood of the market, a lot of companies continue to work, many reach their goals ahead of time, I think yes, try to do a little analysis of companies you are participating in, and do not look at big promises, as any project even with small awards can bring you a good profit