has each block got equal sinking funds and bank accounts? if not why would anyone in those blocks with more money vote for it? you basically have 3 companies 3 lots of voters
Nah tax code is irrelevant for some income, like bank interest, dividends, rent, maybe pensions too. Tax code is used more often when tax is deducted before receipt like a salary
Probably wise to move back and earn more money, that's not enough for one let alone two, in Thailand women sadly are over the hill over 35 so tough to earn decent money