What is the limit on multiple re-entry permits for Thailand's visa system?

The post discusses a user's recent experience obtaining a one-year extension to stay in Thailand as a retiree and their purchase of a multiple re-entry permit. They ask whether there is a limit on the number of re-entries allowed with a multiple re-entry permit. Commenters provide additional insights into visa options, tax implications, and their experiences with the Long-Term Residence (LTR) visa, particularly the Wealthy Pensioner category.