Yes. It is common for a beneficiary to be also named the executor. The contents of a Will remain private until the death of the testator so the person who is named as executor may not be known until...
Either renounce or administer the estate or pay a professional to deal with the matter and the fees would be met from the estate. It is up to the executor to decide.If the exector decides to...
Yes, and they frequently are as in the case of the standard husband and wife will, where each spouse leaves the entire estate to the other spouse and names that spouse the executor.
No, the executor works for the estate. The estate will pay the executor a reasonable fee. The beneficiary has limited direction that they can give the executor.