Should I apply for an extension at immigration or do a border run for my multiple-entry visa in Thailand?

The user is considering whether to visit immigration for a visa extension or to do a border run to obtain a final three-month stamp on their current one-year multiple-entry visa. They ask if immigration is likely to grant a one-year extension or only a two-month extension. Comments recount that many opt for border runs to maximize their time in Thailand, and advise that having a substantial amount in a bank account (400K THB) might suffice for an extension, provided the funds are readily accessible. It is also noted that the one-year multiple-entry visa option is no longer available, transitioning towards single-entry visas and extended stays based on marriage conditions. Users provide insights into requirements tied to the user's marital status and the immediacy of fund accessibility.