they allow two land border entry. For a quick border run you will get the "day pass" to stay a few hours there. Easy. Stamp out of Thai, walk across, stamp into Myawaddy, nowadays they prefer THB500, after an hour or so back over the bridge . stamp back into Thailand, no question ask.
first timer might not be asked, but for second time or back to back they will ask Bank Account THB 200.000.-. If you need a yearly without proof of funds go to Savannakhet.
do another. your second border run, than a 30days extension. In the meantime things have settled down and you can go to another place to get one more TV, next year 2 border run with extensio, so you baiscally covered up to beginn of may.
People following the various forums have noted that the closest Royal Thai Embassy Vientiane and Royal Thai Consulate Savannakhet have become very strict. This is not an Official Government Policy, this the the sole decsion by the people in charge of these places, so a Tourist Visa in KL, Penang, Yangon, Hanoi or HCMC is still OK.