A co-worker and I, while working our real jobs as switchmen for AT&T in NYC, would often sneak off and visit Madison Hardware. Carl & Lou would buy us lunch (always the same: liverwurst and onion on rye, a little mustard, with a big pickle, with a side of cole slaw.) It must have been a healthy choice, since they both lived into their 90's.
Around Christmas, for a few years, they would have train sets delivered to well-to-do folks in Manhattan, along Park Avenue, 5th Avenue, etc. who had acres of apartment floor space. They hired us to show up, take all the trains, tracks, transformers, wires and accessories out of the big boxes, and set up "carpet centrals" for the rich folks' kids.
We actually got paid to play with trains, the parents were generous with gratuities, and the Brothers would toss us a few little items along with a $100 bill for each of us.
My prize one year was a David O. King boxcab electric in McGinnis colors. Obviously a fantasy depiction, but I loved it and still do. It was handed to me (for a price) on the last day of Madison's operations, as appreciation for, I guess, putting up with those two lovable (?) old f@rts over the years.
I can see where doing it for a living would have taken the joy out of it, as evidenced by the "Brothers Grimace" attitudes towards the end of their career. Lou once said "I hate all trains...all ages and all gauges."