First your account may be limited for some obvious reasons such as your country being restricted or your IP may have committed some evil and is banned my many casinos.
On buying accounts that are also not encouraged either ao you should build your casino account yourself so that you can be involved and aware of all the activities on the account, because most bought accounts always run into a problem in the long run, and if you are asked to make verification/KYC it may become impossible to achieve that and at the end, you lose the account and all the funds in it, so you may need to have a rethink about your choice.