“OK, you’ve got a deal. I’ll be the fat …

“OK, you’ve got a deal. I’ll be the fat guy in the gray Honda Fit.” That’s the Twitter direct message I sent to a complete stranger at 10 o’clock on a Monday night, locking in the transaction. Fifteen hours later, I was in an empty Chinese restaurant parking lot, handing over my most valuable possession, a PSA 9 graded 1986 Fleer Michael Jordan rookie card, in exchange for the biggest brick of cash I’d ever held in my life.