Q: I have a patio door handle that is all screwed up. The thing hardly even locks anymore. Can I repair the lock or do I have to buy a new one? A: It depends. It’s cheaper to repair it, but you will ...

So, you’ve decided the time has come to upgrade the first layer of your home’s security—the deadbolt lock on your door—to a smart model. The next step is to decide if you should replace the entire ...