I can’t imagine there is enough Karma business anywhere to justify opening a dedicated shop in a fixed location, but setting up a visiting Karma expert program where Karma owners can take their cars to an existing shop by appointment is a great idea for cities without Karma authorized repair facilities. @FiskerPhilly may even branch out world-wide. There is at least one owner in Dubai who would probably pay top Dinar for a visit form Joe.
This is why we introduced our Flying doctor service in Europe. I have been to many countries to fix some cars and do some additional service. I can't replace a coupler or a RDM on location of course but software issues are no problem!