Trade is the best bitcoin revenue today. Some people invest in HYIPs, however, that is wrong, they are choosing to go into the path of the scammers.
Of course instead of choosing a hyip that is at risk of a scam, it would be better if you choose a trade for profit. Because you will depend on yourself to gain
HYIP's will never be the best source of bitcoin for us that working legit but for scammers they are the ones that are die hard creating new HYIP's again and again. But of course for us that knows their scam activities we just need to make others aware especially those newbies so that they won't become a victim of it.