A good resource is something BiggerPockets has created for you (and for their SEO).

.#1 Conversion Rate Among Property Managers on VRBO4.7 Avg Rating on VRBO/AirBNB99.7% of Stays Incur no Material Guest Damage18% Commission **some markets with high permitting costs are at 23%, but most at 18%**6,000+ Properties Managed in over 80 Destinations in the US2 Million+ Guests ServicedHow Your Clients Will Earn MoreProfessional marketing, photography, copywriting and analysts at homeowner’s disposal to achieve revenue goalsListing is SEO optimized and integrated with 50+ distribution sites (VRBO, Homeaway, Airbnb, Google, etc.)Dedicated revenue management team leveraging dynamic pricing with homeowner guidance24/7 reservations by live agents and via online booking platformGain Peace of Mind24/7 availability for homeowners and guests.Proprietary technology installed to ensure safety, security and enjoyability.Outsource all accounting, tax and license compliance.

In my opinion Google Ads will yield better benefits (ROI) in the long run, but FB can be an important component of your social media presence and overall SEO strategy.

SEO company:I generate leads, come up with new SEO strategies, and lead the SEO company, she backs me up with everything in the SEO company managing all the admin side of things, HR, Taxes, lawyers, operations, money etc. etc.We Buy Houses Company:She leads the flipping company and I back her up with that.

We've gained solid market share through quality content that increases our SEO on Google and grabs eyeballs. 

That could be direct mail, google ads, PPC, cold calling, SMS marketing, RVMs, SEO, door knocking, etc, etc, etcCheck out @Anson Young's book:  Finding and Funding Great DealsAlso see this post:  Driving for Dollars: How to Find (and Buy!)

Can you all help me in recommending a good CRM for monitoring a prospecting campaign that includes direct mail and seo to start (likely to expand/change as we learn and grow)? 

Focus on cheaper avenues like SEO (which takes a while) cold calling, D4D. 

I’ve been debating between REIBB and carrot but the later has the CRM and many other features but I’m not sure how well they compete with carrot SEO?

@Fang Underhill Well... based on replies I suppose it is best to use existing infrastructure to syndicate.I think you would need lots of other marketing skills(social media, YT, Ads, SEO, Analytics) to get yourself known and the website properly built.