Is this the TM30 you will be using for the 90 Day Report? If it is the latest one I do not think you will have an issue. As long you have a TM30 of the place you are staying when you report.
The norm in Thailand is 2 months deposit. The agent gets 1 month commission out of that. The landlord pays it out of your deposit. If by booking fee the agent wants 1 month rent while the contract is drawn up is also common. That then is used as part of the 2 months deposit and 1 month in advance you pay
It is Immigration you need the Residence Certificate from for a Drover Licence. It needs to be made out for that specific purpose just as you need a different one to register a vehicle.
If you are paying an agent to check all documents before submission and for peace of mind then why not if the amount is reasonable. That is what you are paying for, a quality check. Anything else they promise I would be skeptical.
Anonymous participant The longer the treatment plan the stronger the application. A few dental appointments got DTV issued in London July 2924 but no longer. Try to find a hospital that will support the application and has a history of successful applications. This might be the more expensive hospitals such as Bumrungrad. They have their own department dealing with immigration. Senior Dr's there have a lot of influence and power too. It is an excellent hospital. Wharton Business School use it in a business case as gold standard in medical tourism. It is not cheap though.