In those places, old Apple hardware isn't significantly cheaper than new hardware. You might get a 25% discount for a degraded experience (security updates may end in ~3 years) or buy much older hardware (e.g. 9 year old models) that cannot run current macOS and Xcode, etc.

And yes, a local PC can work out to lower prices due to specific tax arrangements, sourcing components straight from manufacturers and assembling them locally.

Ypu don't need to buy a PC - you already have one.