You’ve heard about scaling up, but what about scaling down? Imagine you’ve got an application with thousands of users connected at once after a big marketing push. You’ve planned your infrastructure so that it can grow with the demand. However, a spike in traffic won’t last forever. If you don’t plan properly, you can be left with a ton of unnecessary infrastructure after the rush, and if you’re not using it, those spare servers are doing nothing but costing you money.