Awesome
I prefer static payouts, but smartlinks can come in handy.
I would setup each campaign for a single GEO.
Depends on the offers. Find good offers
This depends on the offer/campaign. Typically, I want to spend 3-5x the payout of the offer for my first round of testing.
Same as #4. If it's not converting, it's done.
When traffic starts to die or ROI does. Let it go though for a few days. Fluctuations are common. Don't pause a winner just because you have a down day.
I believe you mean blacklist. We have a great thread about this here:
afflift.com
I think pretty much any campaign could benefit from a presell lander, but I don't typically use my own LPs on carrier billing offers.