-Don't grow in the location you grew at when you were less careful.
-Let it be known to people you told, if it comes up, that you 'did dumb shit when you were younger' = outta bidnaz- even complain that you can't find weed any more.
-Don't be seen with anything that looks like homegrown at parties. Keep some downtowndirtbrown for those occasions.
-Get a thumb drive for your pics and documents, and reformat your HD next time you upgrade the 'pooter, using a 'zero writer' first. I don't know how to do this but it removes recoverable traces of erased data
-new username... and DON'T TOUCH THE ACCOUNT from an IP known to be your home. Change old one? sorry, changes aren't possible- the software isn't set up for it.