I am going to do an experiment, the two major problems with pressure washers could be that one might need to replace the water filters and secondly the seals on the pistons or whatever go bad(will go back to YT to confirm, major pulsing is caused by that after some time in these pressure washers). Those replacement parts may be easier to import but the question is who stocks them here. My targets are Karcher, Makita & ac blue line (read somewhere blue line has quite a few product quality issues, I believe it was amazon) also the warranty, makita warranty is shady at 6 months and that too they don't give to everyone only special customers which is strange.
I will call each one of these up to find which ones really have any spare parts in inventory.