Ban rates are extremely high at the moment. Very popular methods will result in quick bans. It is recommended to bot in p2p rather than f2p (horrible profits and ban rate on f2p). There are plenty of good free scripts out there, just do your research on the script and read the forums in order to get an idea if the script is good or not. That being said, the high profiting methods will always be premium, and with a good quality script, you can extend the life of your bots, thus increasing profits.