no fuel additive is 100% guarnteed. fuel additives and stabilizers were designed to HELP prevent fuel related issues.
It's kinda like those of us that take a daily vitamin, just because we take a vitamin doesn't mean we will NOT get sick.
if you can't get some from dave, and have to stop at BPS I have used BPS shroom heads, but i trim the lead collar off. Or you can get the Zman finesse heads. don't forget the loctite gel superglue.
i have used a football jig as a drop shot weight before, no doubles on it but , i have caught fish with that setup, no reason why the NED wouldn't work
usa bassin is pretty good. I think the membership fee is $30 each tournament is $50 per team and optional big bass. not a bad deal when you fish on a budget