For all of you saying how keypads are more vulnerable to people figuring out the code, etc...and for those of you who have all kinds of fancy locks on your doors, I'll just say this....If a thief wants into your house badly enough, they'll get in. There is no lock, door, window, or alarm that will prevent a thief from getting in.
The goal of security is to convince them that a home is likely a bad target and they stand a higher chance of getting caught, thus they move elsewhere.
I've got Z-wave Keypad dead-bolts on both my main doors (front and attached garage). I can give out temporary codes to contractors or others. I can also set it up to get an alert on my phone when certain codes are used. I have every window in my house alarmed. My alarm system arms automatically when I lock my keypad doors and unarms when I open them with my master code. I also have a security camera and motion lights. All my spare keys are locked in a wall-safe. With that said, if someone wanted to get in, they could. My sliding door is only so secure. My windows are still just glass. My doors could probably be kicked in. But....I know my neighbor has a house surrounded by woods, no alarm, no camera, and minimal lighting. If I were a thief, I'd go rob him.
FWIW - Keypad locks were a game changer for me. I'll never go back. It's so nice to just have to carry 1 Key FOB for my car in my pocket. No door keys. The added plus is that if a guest or relative is visiting and gets there before me, I can unlock the house remotely for them.