Here is one perspective. There are hundreds of vacation property owners who are using our apps to connect and control their remote homes locks for a few years now. No incidents yet. In fact it can tell you if your battery is draining low so you can modify it. Do note that different types of locks have different thresholds. E.g. Deadbolt locks go dead at about 50-60% where as electronic latches go on to about 30-40%. There is another thread I had posted some details on this. So keep in mind that the lock may not remind you about dying batteries because of the above issue. Only ST can help there.
Another advantage if ST, if you’re concerned about someone opening it remotely, on the flip side if the door is left unlocked or is unlocked you can be notified right away. Even better is if you forget to lock it when you leav home the routine can lock for it for you. Some advantages to connecting it to st. It acts like a personal butler or auditor to your lock keeping you informed about it.
Schlage is an excellent lock and depending on your model you can exploit a few more features.
So here’s an example if you have a BE469 or eq. Lock it has a built in alarm. You can connect that alarm with SmartThings and get notified if anyone is trying to tamper with your door. You can automatically configure the lock sensitivity based on modes so if you’re home you may want it to set it to alert to beep but if you’re away you want it very sensitive and set to tamper alarm which can set off other auxiliary alarms also.
So if you have the lock already id say with the right setup it would be even more secure.
Here’s an example of the SmartApp in this thread for Schlage locks which can do that