How do I handle TM30 registration without a lease contract in Bangkok?

The user is seeking advice on how to manage their TM30 registration while staying at a relative's property without a lease contract. They initially filed a TM30 upon arrival with an agent and are considering whether they need to file another TM30 or if they can manage with paying for a service every three months. Comments provide various insights, including the option of filing online, the necessity of additional TM30 filings, and suggestions for hiring an agent to handle their 90 Day report.