I would recommend choosing someone with the most forum posts and/or reviews that way you know that person is active 

We are sending a very clear message to those who seek federal funds that we intend to stand up for the cause of civil rights and expect them to do the same.John Trasvia, HUD Assistant Secretary for Fair Housing and Equal Opportunity (FHEO), added, Prohibiting this form of discrimination provides an essential protection for many Americans, including disabled veterans, seasonal workers, and persons that are using housing choice vouchers to maintain housing for themselves and their children.

I personally use this for my biz and know of many folks who have cold calling service using this.

A great way to network and meet people in your local community is to attend in person meet ups.

If you're comfortable meeting in person, I would follow up with an email outlining what was said in person to the tenant with the resolution of the conversation also in the email.

Last year we were able to connect an investor of a coastal six plex with our personal credit union and due to strength of borrower and property, they provided a non-member with a 25% down mortgage with a 25 year amortization on a property the seller was requiring 'cash only' due to the presumed challenges of multi family financing. 

I'm up to 10 doors (including personal residence) and have six more under contract.

With the products & services feature, you track each 'phase' of the rehab. 

As that will at least help folks that you reach out to know that you are a real person, with a picture and professional bio.

Personally, it's not for me.