It did not come off easily like the videos.  

The capital gain tax would be on the difference between the sale price and the purchase price (and depreciation).So say you bought it for $50K and are selling it for $400K you are potentially paying taxes on $350K of gain, plus whatever depreciation you took.If you buy another property worth at least $400K you should avoid the taxes, but you need to engage a 1031 professional like @Bill Exeter or @Dave Foster who posted above before you actually sell the property, otherwise it's too late and you will have to pay the taxes.

Below are some quick links to get engaged on this site. http://www.biggerpockets.com/startherehttp://www.biggerpockets.com/meethttps://www.biggerpockets.com/alertsHow to Use @Mentions on BiggerPocketshttps://www.biggerpockets.com/ruleshttps://www.biggerpockets.com/termshttps://www.biggerpockets.com/inviteshttps://www.biggerpockets.com/perkshttps://www.biggerpockets.com/forums/categoriesREI books suggested by BPershttp://www.biggerpockets.com/renewsblog/2013/04/14/best-real-estate-books/?

If you plan to go this route please engage a competent lawyer to setup your corporation to meet your ultimate goals.

With the purchase, I got some promos such as a digital download of Brandon Turner's book on No and low money down investing, some video interviews, and conference audios.

It makes it hard to decipher what's worth engaging in.

I think you're on the right track with 1st engaging the HOA for some type of exemption.

My last resort would be to engage a Property Manager to handle this, but even so, I'm not sure how can the Property Manager help.

Besides email and telephone communication, make use of tools such as Skype and Whatsapp video to communicate with tenants and property managers.4.

I also learned a lot from Desi Arnaz (you can start on YouTube, he has videos and then he has a online class that goes over the basics.