I used to work in the corporate world (software sales) and was making similar to what you were. 

If the ordinance is being regulated and monitored by DNS, good luck.

What is the best Underwriting software to use to analyze Multi-Family and apartments?

Do not use them as they are not a morally fit company.Has anyone else had issues with HostHub or other channel management software where they led their users astray?

There are a lot of excellent softwares available that are free for tracking or very inexpensive if you use certain upgrade features like online payments or e-signature.BiggerPockets just announced FREE access to RentRedi for all Pro Members.

Just curious, which software would you use for real estate? 

Do you plan on monetizing this software?

, screening applicants, moving them in.What software will you use to allow tenants to pay rent, track their payments & late fees, track your expenses?

Property management software - Propertyware.

Moen Flo Smart Water Monitor 3/4-in to 1-1/4-in Indoor/Outdoor Smart Water Leak Detector with Automatic Shut-off Valve in the Water Leak Detectors department at Lowes.comDoes anybody know any info on these?