Anything other than signature campaigns and gambling.
A bit saved is a bit earned. So save your money by not clicking on any of the signatures of the people posting in this thread.
Trading still prevailing the number make way to gain bitcoin. This was already proven and tested which many has became successful in trading habit in crypto.
Trading is just redistribution of crypto and money. This is an important part of crypto economy but it s not something crypto should rely on. We need ADDED value, new stuff.
I d go with PoS, really like staking and masternodes, I recommend DMD Diamond, one of my favorite coins, it has brought me nothing but profits.