Answer
The arbitrage one, makes compound interest and pays commissions from 4h to 4h, the 1st commission is to pay the reserve fees, after that you start earning, you can invest more in the bot, you have add money
Until you learn new things and the bot will work alone and automatically for you
The % is annual with the average of the last 7 days attention!!!
But even gaining experience is a good option!!!
This is how your capital is safe!!!