Originally requested information re: visa trip to Singapore, etc. That's been covered pretty well.

New (pretty much) question altogether: received extension of non-immigrant O for 7 more days from Soi Suan Phlu. Assuming not Singapore for 1 year multiple-entry, etc., is there a quicker and less expensive way to get 30 more days or am I done til next time?

Thanks again.

Gingco

You can not further extend you visa. If you are eligible and have not used your 90 days you could make a border run to obtain a visa exempt entry for 30 days.