Oh wow, I am surprised that its living costs are higher than Bali even. That's an eye opener!
However I think the cost of living can be lowered when you maybe travel with a bike and have your own home brews (from Starbucks) and a little lower than $4000 might work too!
I am glad that you actually have a solitude kind of an environment to work on your business! Let's try to catch up again (online).
Take care dear sister!