Don't listen to your friend, if you have doubts talk to your insurance provider or get a Thai friend to read your policy. Important thing is you have the correct cover.
Put the hose pipe on him everytime he comes. Tell the people he rents off about him. Tell local thais about Him, make his life as difficult as possible.
Bruce, "Everyone was getting people nervous". The only person who has been nervous about re entering Thailand has been you. You made some bad choices, learn from them and hopefully keep your thoughts to yourself and not share them.
Phil Jones I got a residency letter from immigration that cost 300b. Then went to ONE bank, Bangkok Bank and took with me proof where I lived to their branch in jomtien with a Thai friend and got bank account opened and ATM card issued within 30 minutes.