RE: lubing correctly?
I use a spray lube.....load a loading block full of brass and make a medium paced pass at the brass at about 45 deg to the length of the case (assuring that a little lube will get into the inside of the neck)...keep the spray about 9" from the target.
Spray from all four sides.
I use Lyman but all companys have a spray lube. Lots of folks like Hornady' s " one-shot" .
It' s just a matter of trial and error as to how much. Better to over lube than under lube....a stuck case is a real pain. Those dents are just cosmetic.....I know...you don' t like them either.
Lube the inside?.....ABSOLUTELY!!!!