Buildawhale and booster have always been the shadiest bid bots to use.
If you want to use ethical bid bots that don't rob you, i would suggest using bots that cap losses, capping the potential loss means they have an ethical mindset.
Also you may want to try a new bot that I think is leading the way forward and they are called, they give a guaranteed 100 percent bid, based on your payment. You can tip yourself or tip posts you like.
RE: More THIEVES on Steem Blockchain? Be careful with bidbots... Don't use @booster! Here is why...