Do you use amazon as the supplier?
How much real net profit do you achieve per account?
Asking since with all the costs of tools, low margin, store ebay and pp fees and some chargebacks here and there i can‘t see how someone can make a living out of it.
Back in the days we spend high 5 figures on propeller per month with MMO offers and it worked really nice.
You should talk and get along with your AM. Ask for bid prices for your GEOs for example. If you run RON than you need a big budget.
Maybe run on the top 10-20 sites only.