SEO is one way to go but there are several other options to drive traffic to your website including Pay Per Click, Facebook ads, Craigslist, email lists etc...

There were many issues including some non permitted rooms that had been put in by the previous tenants (a business). 

Your local Realtor association probably offers classroom-style training included with your annual dues.#2 Most lessons come from actually doing business i.e. transactions.

I just sent you an email including the link.

That includes any real estate holdings.  

Factors include: neighborhood, size, amenities, school districts, age of home, SF, number of beds/baths, and all kinds of other features that may be unique to your area (pools in Florida, for example). 

I continue to include the return address.  

@Andrew Glenn I have heard someone on here say before that the life perks don't really happen until you get at least 7 units.

You should be paying him in draws as the work is done, materials and labor included.  

I like using rentometer and craigslist to gauge averages in a specific area - craigslist is a good resource as people generally include photos so you can see what kind of quality the unit is.