I'm a Hubspot certified digital marketer who runs his own digital marketing firm and have seen the benefits of SEO and PPC advertising.A few things to note when looking for a digital marketing firm:Do your research, referrals are the best to see whos getting results.Here's a quick tip for your wife, make sure her "business" is setup at https://www.google.com/business/ because then she will show up on google maps and increases her chance of being found if someone searches for "Realtors near me" or something like that.https://www.fiverr.com/ is perfect for  one time jobs like:Build your websiteBuilding a Landing PageOptimize one page for SEORun one/two Online adds Things like SEO (Search Engine Optimization) and PPC (Pay Per click advertising) take a bit of time to get optimized and to see leads rolling in.

Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

It's NOT to "sell" a person on renting, NO, it's to just get them to click on it that's it, HOOK EM IN, get em to open the listing(C) REEL EM IN!   

In order to make sure.... click on their picture and open up their profile.

Click on show amortization table.

Who knows if that is true or urban ledgend.HUD (Housing and Urban Development) the people who bring you the lending industry, seem to think it's okay.It's line 503 on your closing statementClick to enlargeYou can click on my website link below and see a whole slew of Subject Tos we've done I'd be happy to answer any questions  With respect, there is a difference between having an available line on the settlement statement versus approval of any action.   

Boston Housing Authority - Boston Housing Authority (click on "For Landlords" tab)If you're serious about being a DIY landlord, you're going to have to invest MORE time into research than just posting here for help.Go spend 30 minutes on their website and then ask more specific questions for clarification.

I understand their perspective, it's just easier to click on a button and buy index funds or pay a financial advisor and then you're completely a passive investor. 

Another pro tip- right click on the photo in Chrome and do a reverse image search to see where the item comes from, it is usually way cheaper, and that's probably who Wayfair drop ships it from anyway. 

I created the following chart to simplify the decision process (click to enlarge).The Bottom LineEvaluate the property based on whether it will enable you to achieve financial freedom.