Man, I jones for a lot of things, some more than others & some things for a longer duration. My latest jones was for a Gibson Flying V project, a beater/player to convert into what I think would be a badass guitar. When I had a trade offering toward one and got limited and/or unattractive offers, I gave up and removed my thread. That jones will wait for another time... maybe. But when the GAS hits, it hits hard. On a linear scale, it peaks the moment I realize I want/desire something (gear, guitar, amp, etc). I evaluate what I have that I can live without and form a plan to sell/trade, then execute. The longer that plan is in effect, the shallower the desire becomes. Although I never truly measured the duration, I'd say my GAS timeline is typically a week. This is a generalization for 'spur of the moment' type acquisitions. How 'bout yours?