Just so you know you’re not alone, here’s my post with similar frustrations of getting the machine dialed in best.
https://discuss.inventables.com/t/how-long-did-it-take-you-to-get-dialed-in
@RobertA_Rieke 's videos on belt tension and pot adjustment have been the biggest help so far. I still can’t do 2stage cuts perfect and have some alignment issues on each cut.