Hi @Emily1764
I've been using August Lock (2nd generation) that came with a little wifi box they call "connect". The lock operates both via bluetooth and wifi.
I can add and remove users, change time frames for guests etc. It integrates with Airbnb so the message with the code goes out automatically, although I really really dislike their automated message and there is no option to edit the message or the time it goes out.
The lock I have has been very reliable. The lock loses remote connection when the guests decide that they want to remove the little connect box from the outlet I have it plugged in behind the TV. Why anyone needs that particular outlet when there are 3 others unused, i don't know, but two guests have removed it. And one time, we had a network outage during a storm. that was the extent of losing connectivity. The best part is that it fits over your existing lock so you don't have to rekey.
In terms of cons, August Lock is great and reliable BUT (aside from the horribly worded automated message that goes out to bookings), it's prone to user error. Meaning, whenever you use an integrated lock, there is a lag time between the keypad entry of the code and the unlocking of the door. This may be five seconds but sometimes 20 seconds or so depending on the interference at the time. Some guests, don't read the instructions of waiting to hear the unlocking sound and try to turn the knob and force the door open or enter their codes over and over again which causes the lock to become unresponsive and takes about 3-5 minutes to reset itself.
Once it reaches this level, the guests start panicking and I have to go there and open the door. This has happened 3 times. I had to go in the middle of the night to simply turn a knob, because if they actually took the time to read the instructions instead of calling me and screaming that they don't have access, they could have just turned the knob after it reset.
As a back up, I have an old fashioned realtor lock box on the property so they have access to a physical key, but the people who have a hard time with a keypad usually have a hard time with the lock box as well.
Nevertheless, August Lock is still the best option I've found. I also like SwitchBot but that does not integrate you have to do everything manually.
I plan on upgrading to August Lock 4th generation which does not have a separate "connect" hub, but the lock itself connects to the internet. this would prevent guests being able to disconnect it and I'm hoping maybe also with the lag issue.
Anyway, this is my experience with smart lock and I have been frustrated with guests not following instructions but I suppose there is no lock in the world that is prone to impatient guest errors.
Hope you find the right one for you!
