Can covered calls/cash-secured puts support a nomad lifestyle?

Can covered calls/cash-secured puts support a nomad lifestyle in a low-cost of living country, e.g., Colombia, Thailand, Vietnam, etc.? I was originally going to set my portfolio as 80% VTI (or VOO) and 20% VXUS. I am now reconsidering and think I should do 80% SPY and 20% VXUS. What is the opportunity cost of starting with VTI/VOO and then selling it in the future for SPY? Should I just start with SPY? Do their expense ratios not matter that much since they all perform very similar? I would be doing a buy and hold strategy with SPY for a while, and then doing calls/puts.