The request is very clear for grant of visa. Another option is if you know someone who lives there, they can provide a letter of invitation and copy of their house registration, ID card and passport if they have one.
The applicant is required to provide one of the following evidence of payment:
9.1 A fully paid hotel reservation for your stay in Thailand issued by the hotel showing the duration of stay, and hotel’s contact details and tax ID number;
9.2 A fully paid residential lease in Thailand issued by the lessor showing the duration of stay, and the lessor’s contact details and tax ID number;
9.3 A hire-purchase or mortgage agreement of immovable property;