Any Real Estate purchase other than condos is not allowed in Thailand it seems, as stated by the Land Department Director Anuwat Meteewiboonwut, quoted from the Phuket Gazett:
The director general of the Land Department has reiterated that foreigners using Thai nominees to buy land anywhere in the country will have their land title deeds revoked [...]

Due to the political turmoil and unrest brewing in Thailand these days, it seems many potential business investors are in a waiting and watching stage to see what happens, hoping for a return to normalcy.
These things along with the world economic crisis are causing more strain on the Thai economy and hardship on some businesses in the tourist and [...]