i need a professional digital marketer to run paid ads and reach my instagram account to 300k followers from SA

hello i want a professional marketer not to a begginer
and a I want to set up ads on my facebook ads for growing an Instagram account until he reach 300 from SA
I need to tell me how much I need to spend to reach that number between 3-4 months
and only ads with saudi arabia
also the time
more information in the discuss
again I need someone has experience in growth Instagram account by only ads idon't want to grow my account by buying followers or something else