Who needs house keys when you can open your front door with fingerprints or an app? This smart lock (now under $100) is worth every penny for easily letting you in and keeping others out.

If you're concerned about the security of your home, a good, affordable camera for your front porch is a worthwhile ...

if it is unaffordable - litigation can be expensive. I always make sure that ... In another change to payment systems, "dynamic pricing" could soon be more commonplace for restaurants.