@Snikende *******
I believe what the last member was trying to convey is a VISA is different than a โExtension of Stay.โ If you had a 1 year multi-entry VISA from your Home, going to the border would only work to serve for the 90 day requirment to leave the country, and return. This is Only capable on a Multi-entry type VISA. The only way I am aware of getting an extension of stay is to have a long term multi-entry VISA from your homes Thai embassy, first. Then apply for one of the in country plans. I hope this clarifies a little.