| Mav, from my standpoint I reckon it'd be good to have that sort of service available if needed, but I'd use it so rarely that a subscription service wouldn't appeal.
I do think Lord Timothy's suggestion of a home/work visit supply and fit service could be really good, but maybe only for those close enough for a mileage charge not to be too high.
Since I'm so far from you I would most likely not take up the service, BUT if you happen to be in the area, and I happen to need a job doing.... so you might consider setting up a mailing list to let customers (or potential ones) know when and where you'll be planning to visit.
good luck with it all.
n | 
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