Honestly 12 plants still doesn't seem like a ton of plants to me. Not only that it sounds to me like "you" are not an issue, whether you've sold in the past or have a couple plants now. The issue that people are noticing seems to be this terd across the street from you who is not too smart with his sales. Not only that a search warrent is kind of a hard thing to get these days, and I can pretty much guarantee that one can't be given for some kid getting got selling bud and then saying "the guy across the street used to do it too!" whether you do it or not it sounds like nobodies noticed you except some other pothead who doesn't even notice the police who are watching him. Not only that, if a police officer comes to your door you are not even required to answer the door! And if a police officer "does" come by and wants to search your house make sure he "presents you the warrant!" right then and there or request that he come back with a warrent first, you legally do not have to let a police officer into your house, in fact if you really want legally you can answer through the door and never even open the thing, "unless they have a fully signed legal warrant." I wouldn't worry man, I would say 12 plants can be personal, and maybe it is for the next year, that seems like a viable excuse to me, you can preserve pot for super long, why not grow a years worth at once rather than growing a few bushes every few months? Like the pics of the bubbleponics, everything else is lookin smooth! Keep up the good work! On the fan I think you're probably okay with the low flow fan for the first month but once you go into flowering you ought to get a bit more powerful fan than you can adjust the speed on, I was using a weak fan early on and use 3 fans on full power now.