The ones we have used the most are Schlage models which do not power the deadbolt as they have longer battery life and their are less alignment issues as buildings and doors shift with the seasons.  

I know they all run on batteries so how often do you have to change the batteries? 

Albert Bui Pros: mentioned often on BP Cons: accounting module is very weak, expensive for small operations Cost: $1 per unit, per month plus an onboarding fee (equal to two months of service).

Mine has a small battery that takes a few hours to charge and gets about 20 minutes of flying time.

Some third party software offer integration with QuickBooks and some charge extra for the accounting module.

The on board help is good but there are some situations where TurboTax depends upon you to find your own way through the maze with no assistance from the Help module (Form 1116, for example).Why not get professional assistance for the first couple of years, and, at the same time do your own taxes with DIY tax preparation software.  

Supply and replace all light bulbs, fluorescent tubes, and batteries for smoke alarms, carbon monoxide detectors, garage door openers, ceiling fan remotes, and other devices (of the same type and quality that are in the Property on the Commencement Date);E.

Ever since then, he won't let me come and do needed maintenance or repairs (e.g. changing smoke alarm batteries) unless he or his wife are home.

Unfortunately, processing power = battery drain.

The tax return preparation for a rental activity is fairly straightforward and can be easily navigated yourself with the comprehensive help module in TurboTax Premier.