There are likely numerous companies that provide this service.  

You were trying to get calls and you got one from someone who has invited you to keep in touch.

Case in point: Governor's Point on the NC coast promoted their lots where the Realtors/Investors allegedly paid cash and flipped the lots numerous times between themselves and bumped the 'comps' from $100k to over $1M each.

You can locate them easily by attending any of numerous REI MeetUp groups in the Austin area.

Oh, so he's your neighbor now (in a way)...perhaps another neighbor can provide you his phone number and you can invite him to lunch!

We now pay for a pretty extensive online tracking system but we get about 200 leads per month so we need it.Square envelopes get opened more because they look like invitations, especially with hand written addresses and a real stamp.First class stamps get opened more than bulk mail.

Given all of the negative comments about section 8 tenants - what things have you done to keep your property well maintained and avoid some of the "numerous" negative tales we hear about section 8 tenants?

@Rob Donovan - the issues with land contracts are numerous.  

Finding other investors who are quite close and inviting them to lunch or coffee your treat is a great way to get yourself out there too.

They likely also are paying dozens of vendors for repairs, as well as utility bills across numerous properties.