Join the Building in Thailand FB page, even if you're not planning to build it is absolute mine of information, plus gives you the real idea of what a place should cost.
I own a free hold Condo, had it for 12 Years, not bought as investment but as something I use regularly. Buy with your eyes wide open, if you're after a quick gain don't buy.
I got my Thailand Pass yesterday for arrival in 3 weeks, it stated that I'm to get a predepature PCR test but like you I've seen in numerous articles it stops on April 1st?