It's often a combination of the power supply and the type of SD cards, but eventually you will have a failure no matter what SD card you use. I've learned this

It's often a combination of the power supply and the type of SD cards, but eventually you will have a failure no matter what SD card you use. I've learned this the hard way from running dozens of Pi's 24/7. Looking back, I regret the decision to use Raspberry Pi. See my comment below.