Local (on device) storage that later syncs when web access is regained would be a slick solution.Robust backups - both online/continuous backup plus the ability to dump a snapshot of data to an external hard drive.Easy access via search to contact details.What deal(s) they're a candidate for.Ability to text through the app.When responding via email, text or phone, auto suggest a follow-up task with a drop down for when to make contact next.Calendar that syncs to your smart phone.Ability to schedule appointments with fields for location and notes for the meeting. 

You cannot depend on the external environment and limit yourself because of it.

No external wifi needed.  

Also, get an external site as soon as you can and drive your FB traffic there.

Bonds, cashflow, appreciation, stocks all have some degree of risk and are subject to external factors, often outside the investor’s control.

Most SW's do the usual tenant portal, pay online etc. but not all do external payments. 

@Luca Giani  As mentioned here KVCore is more of a platform to organize and plan automated follow up on leads from external sources. 

Thanks @John Teachout & @Greg Scott for the advice and helping me externally process. 

If you will not live at the house, i would suggest getting external cameras so you can see potential issues like trash, snow,uncut grass,  loitering, etc.  

Bridge loans can provide external financing to complete their partner buyouts quickly, preserve professional relationships, and ensure that the health of the business isn't affected by an extended transition period.Credit-Impaired Borrowers: Typically, permanent lenders required a minimum 680-720 mid FICO score.