Depending on where you are headed from the airport, if going by taxi - get a metre taxi from the taxi stand, there are ppl at the airport who will offer you a taxi 🤔, private car 🤔, but you will be charged a high fare for this
Get you ur visa in Pattaya using an address in Pattaya, then move to where you want to live and do a change of address at immigration in the new location