... you can't finish one arcade project before starting another.
... you start to document your progres, but always get too caught up in the construction.
... you're never REALLY done with a project.
... you're wondering what you can part with to make rom for that new machine.
... you're able to justify owning a gas-guzzling, full-size truck in a busy metropolitan area.
... you get the Super Auctions newsletter delivered to your house so you never miss it.
... your garage sale includes "arcade machines" in the newspaper ad. (Gotta make room for the new ones.)
... you've stared at a CRT's convergence ring, wondering if your gloves really are thick enough to grab it while it's live.
... the question "build or convert" actually means something to you.
... you've drawn up plans for a flashy $2000 machine and ended up building a $500 one.
... you can't park your truck in the garage because it's got 12 machines (7 of which don't work).
... you've got more PCB's than cabinets.
... the size of your home (apartment, house, etc.) is partially governed by how many cabs fit into it.