@Korbyn ***********
it's iffy. Savannakhet, Hanoi, Ho Chi Minh City, Penang, KL, Yangon, Phnom Penh require some or all of the 3-proof-ofz (20K baht in a bank, onward travel, hotel booking) to issue a tourist visa
ONLY the thai consulate in Vientiane Lao requires none of them