James, I have loved seeing your bikes over the years and this recap is grand. Now 74 with age related issues arriving I will pass along where I am at. When I retired at 59 I had 24 of my own and likely 6 maybe 7 more for the kids when they visited. Maintenance has never been an issue as I (we) roughly the same miles a year with 2 or 3 bikes as 20, only slightly more with things like treating tires with Aerospace 303 to prevent dry rot, treating leather saddles, etc. The tricky part is the adjustments for age related body changes. Much of my case which is often the case with many if you check out the 50+ forum is adaptations to keep your mileage up like higher less reach bars, moving saddle forward, shorter cranks, etc. Some are easy like going to the shortest drop road bars but other are too painful on my lovely Tommasinis. Currently my customs are getting the adjustments and the others are going to have to move on. So far has not been too painful, an example is over on the Classic and Vintage Bicycles: Whats it Worth? Appraisals I posted on a lovely '84 Laing custom that I got hundreds less that what was offered as reasonable but it was a lovely gentleman who drove 200 miles, studied the builder, and valued Gilmour who repainted it for me with original Laing vintage decals. Also things change and I can foresee the day when I will need a fixie frame or even a step through.