Leaving the AS/400 without stopping a single sale day
You don't need a six-month rollout. You need one lane running live next sale. A field guide to a one-day cutover.
Most operators assume modern software means a rip-and-replace. It doesn't. Run one lane on Auction Rise next sale and keep the rest on what you have.
By the third sale day the clerks have stopped reaching for the old terminal.