i have 6 questions 1-i have a 4 years old inutile fb account , is it good idea to use it for ads ? (i should change profile details of it also i do not logged into it last 3 years ) 2-i boosted my post for first time with paypal then my fb ad account disabled and my ad did not run any time ,also in the payment methods i see "you have 0 payment method saved" can i use my paypal account for ads in another fb account? 3-can i add multi credit cards with different billing address and owner names to fb ad account? 4-credit card owner name should be same with fb profile name ? 5-if i remove my phone number from disabled fb ad account can i use it for another fb account and use new fb account for ads? 6-why someone sell agency accounts above 1000$ ? why we cannot create agency accounts ?what is the advantage of their accounts?