Some tips are applicable to real estate and many other contexts. 

I wrote First/last/security on the applications.

I was under the impression that Master Electricians, Plumbers and HVAC people designed stuff for commercial applications and supervised apprentices and Journeyman Electricians.

Air handlers are used for cooling only applications.

Right now, I have to email them a blank pdf of the lease application and they have to drop that off or scan and email it once completed.

And most jurisdictions have statutory time lines to process applications once they deem them complete..

I do applications, listings to zillow and others, website, payments, accounting, maintenance, reports and its all free.

I've already asked all my insurance brokers and none of my dwelling/fire policies cover this or offer an applicable endorsement and umbrellas only extend what existing policies cover. 

Also there are forms you can pull offline specifically for tenant applications where you can pull their references and physically call them.

.= Allows tenants to fill out and submit a rental application and pay the application fee= Provides credit reports and background checks= Accepts rental payments and late fees= Allows me to communicate with tenants= Keeps track of documents (leases, move-in inspections and the like)= Has a mobile appAny suggestions?