It's not that I don't want an instance doing some work, it's just that I don't want it running 24/7 (expensive) or having my opens/clicks depend on it. Much rat

It's not that I don't want an instance doing some work, it's just that I don't want it running 24/7 (expensive) or having my opens/clicks depend on it. Much rather only have to pay for an hour of CPU time and do the processing the background.