If I have online version, how many users/pc/devices I can get?

Reviews clustered in recent months screams purchased reviews or shell company rebranding.

The trick will be the expense of installing and maintaining the devices. 

In the leasing contract it clearly states that the tenant is not allowed to change any security device or locks without written permission from the landlord.

@Paul M.I know it's been five months since your post, but you may want to look at Tenant Access for connecting smart locks in one place and for equipment financing that gets around the bulky upfront costs for smart locks and other smart devices.  

It is taking you $425k to finish a shell of a house.

They want to use this to detect shell companies being used to wash money through real estate transactions.

Quote from @Sherylyn Holden: @John UnderwoodHospitable: $104 a month for 5 properties on the Professional plan (this includes Dynamic Pricing and the smartlock and thermostat integrations to my propertiesNotion: FreeBlink: $10 a monthNoiseAware: $30 a month (I only have this on 2 properties currently)Schlage and Ecobee have no recurring monthly costs, just the upfront device costSimplisafe: $10 a monthQuo: $15 a monthGoogle Workspace: $10 a monthQuickbooks Plus: $120 a monthTotal: $300 a month for 5 propertiesI'll be honest, I'm not sure the exact % of net annual income.

He's going through a frivolous lawsuit and never set up his shell companies /protections appropriately.

Where's the intrinsic value besides it's good for electrical devices?