only real obstacle is opening a bank account, so dress nice, grab your wife and start at her bank. Bring a residence certificate, Thai DL, your passport, lease agreement, and a whack of cash.
Not enough info, please give the details of your work such as freelancer remote worker workation etc did you provide your own documents or did you have a company that you work for provide documents for you, who signed the documents, was it you or the business. Please lay out your exact working situation and what you initially supplied to support it for the best reply.