6 important questions

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?

Damn...u're really newbie man, just stay away for these types of business, definitely is not for you!

1. forget about that
2. forget about that
3. forget about that
4. yes
5. forget about that
6. ...forget about that

6 new questions
1-i made my old account with uk ip address,my credit cards and my current location is malaysia ,can it make problem?
2-credit card issuer country or billing address country must be same with country that account is made ?
3-prepaid cards not accepted?
5-is it better that buy a fb account?i found someone that sell fb new created accounts for 25$ he say my accounts have a secret and not be blocked !!
6-please introduce someone that sell good accounts