0.07% is the daily interest rate? What are the fees? Are there alternative to Polonex?
The closest "autopilot" thing that I can think of is to use a lending bot on exchanges like Poloniex, but at the current interest rate (0.07%) you need about 50 BTC capital in order to earn 0.03BTC daily. And there is always some risk that the exchange could be hacked.
I don't think there is any autopilot system that can make bitcoin for you. You have to offer your services for which you need to have some kind of skills in like graphic designing, web developing, blockchain api related etc which are mostly wanted in this forum. Other ways can be selling items for bitcoin as well as if you have cheap electricity you can start mining with good investment that can make you bitcoin in somewhat autopilot way.