whats a good minimum budget to have tangible results with your ads and what are average acceptable results you can get with a certain budget?

Curious if you guys know any good tool thats cheap to scrap business owners numbers, ive been calling from google maps but i found out that calling landlines is too expensive. Plus its better since i will deal with less gatekeepers

How do you guys go about getting access to your clients website to build their landing page?

curious what strategy you guys use to continue testing ads after finding a winning ad. So lets assume you found a winning ad do you continue to make similar versions of it or do you just kill everything else and go all in on it till it stops working

curious what strategies you guys use to get past the gatekeepr