Omio swapped Spot VMs for standard ones in a single region and unearthed a shocker. Costs didn't skyrocket; they actually dropped. Network glitches? Gone. They braced for a 70% budget implosion but emerged with a grin. Standardizing on 16-core, 1:4 RAM machines cranked up performance and dialed down chaos. Who knew? Spot VMs, it turns out, love chaos a bit too much.