Unless you are going to dominate SEO and have your rental's website appear on the top of Google searches, your best bet is to use one of the above sites. 

They are all doing SEO wrong.

They cover smart pricing tools, listing SEO, the importance of photos, furnishing, management software, and many other strategies and tools.- The Short Term Rental Profits Show by Jason Hartman: He hasn't consistently produced content lately but the episodes from last year are solid.

We specialize in direct mail, signage, POP, and digital marketing (SEO, social media, email marketing, google analytics). 

I have been thinking SEO, does anyone have any experience with SEO for RE agents - costs, best approaches, how to get it done, etc.?

Prob got $6-7k in SEO spent on that ***** though.

Online Marketing (Squeezepages, websites, SEO, social media, etc) 2.

AirBnb, the HomeAway cluster, and TripAdvisor (Expedia) equate for 73% of bookings globally for Vacation rental properties due to massive amounts of money spent on SEO and marketing.

I feel passive "squeeze" pages provides quality contacts as only the people truly interested in what I have to offer or wanting information are the people filling them out.PPC advertising is an expensive way of advertising that does work, however don't confuse it with SEO.  

Essentially, you create a lead funnel that captures people.If your most important thing is hidden at the bottom of the page, you're going to lose a LOT of people.If you don't have a designer, jump on a place like ODesk and bid out the job.Just my recommendation.Of course, I know nothing about these guys and they could be great, so you need to weigh the service vs. time/money components.On another angle, if you're looking for someone to do the work for you, including helping you build out your lead funnel, SEO, etc., let me know.