They can't afford it.Make sure you spell out building rules, where people can smoke cigarettes, drink beer, when are quiet hours, how many people can they have on property before they notify you, how long can a visitor stay before they request permission(I do three nights).  

The message:  "Sell me your house or my outlaw motorcycle club will be paying a visit.  Or

Foreign investors from Asia, newly opened air routes, and increased marketing are boosting visitor rates...Every day 38 people come to Hawaii to plant their flag!

The people who follow your city will get notifications and if interested, will show up.Our Austin members are using this very successfully and have a great regular meetup that they do.Someone just needs to take the bull by the horns to make it happen.We had over 1,200 visits last month from Pittsburgh . . . there's certainly plenty of people in the area to connect with that are on our site or visitors of it.Good luck.

By online leads I was thinking more like using social networks to bring visitors to my site.

However, I do believe this will change because of its proximity to venues mentioned above that attract many visitors to the area and ease of public transportation to the city center. 

It does drive several visitors a day to my site.

I would agree with Josh on this one that the site already has more than enough categories and shoud not be broken down any further.also, it seems like posting is decreasing lately so further segmenting will reduce the number of new recent posts in each category even further.just my $0.02I think if you were to actually look at the number of posts and visitors to the site now compared to a month agot, 6 months, a year, etc. you will see that there is more activity as of late, not less.

I travel extensively for work in a territory that covers the greater Houston area which means I have the ability to visit or be on the look out for any types of deals a wholesaler/investor might be looking for.

The feedback that you really want is the one from those first 3 visitors.