Three coins that you should buy now if you want to get some good profit by the year’s end!
Although, interesting, I've seen a couple "buy this" "sell that" topics with no explanation at all that, at the end, were surprisingly good, I'd say that they are an exception, not a rule. So no, simply "buy this" is not good enough even for a small investment. On the other hand, yeah, people should read before investing, no matter how much data you'd provide.
Bitcoin will NEVER go mainstream in it's current state.
Sorry to spoil your theory, but Bitcoin is already mainstream, at least compared to any other crypto.
People will still choose Bitcoin over lesser known names, like Ethereum, Ripple and so on. And most probably will not really choose in the near future (unless for small investments) the almost unknown coin you're advertising.