Marketing manager wanted for ios app

No fake review, No bot install
I am looking for a marketing manager who can increase our app download count on apple store
Plz write how much u garrantee for 10 usd in application form.
If you advertise on google ads or some other cost platform, you have to pay all cost. I dont pay for the cost to advertise. I only pay you 10 usd for 200 app installs
Ex)200 iphone app downloads for 10 usd.