In a snap of a finger, Big C will absolutely cut your fingers off and the technology you love off in order to fuel its imperialistic whims. Anything bordering the South China Sea is in their mind, already theirs, you know because of ancient empires or something.

I'm happy the OP was able to take advantage of the current prices, cheap technology, and the amicable perfidious relationship. I would avoid anything internet-connected for good reason, and of course, burying anything in our infrastructure.