yes bans would be best way to generate money from your domains.

You can even get free script, very easy to install and configure. Once done start pushing traffic. Here you can choose black hat or white hat.

You can use stuffing if you don't have problem with it and then just throw some good quality traffic. targeted ones can give best result but even un-targeted and volume can generate good results. There are numerous black hat ways just find something which suits you.