How to farm Facebook Business Accounts (Business manager)?

I’ve been using aged personal Facebook accounts for black-hat diet advertising for years now. This was always working well, untill last year when Facebook started introducing the daily spending limits for ‘new’ Facebook accounts. At the beginning of these daily spending limit, the limits were around €171 ($200?), but since a few weeks, most accounts have by default a €44 ($50?) daily spending limit. When yo ...