If they can't install it they should at least be able to refer you to a reputable vendor who can.

Default by Client In the event Client has violated the Non-Disparagement portion of the Terms of Use due to the fact that such disparagement can cause lasting and irreparable harm the Client shall owe Company a minimum of $50,000 as an initial penalty or $10,000 per person who reads or is otherwise exposed to such disparagement (whichever is greater) in addition to any other damages Company may have incurred in costs or damage to it’s reputation and/or goodwill including all costs of enforcing the terms of this agreement including reasonable attorney fees.

I have learned to make the description short, spell out phone numbers or web/email addresses, and dont use bullet points, paragraphs or any other post-1970 computer markup.

Go find some neighborhoods you'd feel comfortable investing in then a connect with a reputable property manager to discuss your other concerns (vacancy etc.). 

@Tomiko Graves greetings,I recommend that you use a reputable tenant placement agency or property management company that has experience in subsidized housing programs. 

Most of the really well established guys are booked months in advance and can charge top dollar based on quality and/or reputation.

What are some reputable sources or websites that one can use to find potential leads for a wholesale deal?

Sounds like a timeshare, which don't have the best reputation. 

I can agree with @Mindy Jensen , I have that language in my contract also, but I still worry about having upset buyers and a tarnished reputation.

Grainger also has them, and you probably shouldn't pay too much more than Grainger's "web price" for it.