Lots of risk that you can't control and it is taxed as Ordinary Income plus the IRS will see you as self employed so you will pay all of the Social Security tax and perhaps a 2.5% extra tax if you make over $250k. 

Does one post on BP, social media, friends and family, personal business connections?

You may want to look for social media groups that specialize in arbitrage and see how things are going for them.

I do think the link-capability from social media is interesting.

Expand your network and explore social media events.

this is because culture changes due to quick adaption of social medii.

Seeking to expand my rental portfolio. Aim to purchase and renovate a property for resale, with the ultimate goal of acquiring additional income-generating rentals. Also looking to make referrals with real estate agen...

If you want to retire, you need a paid off house, $500k+ in liquid assets (usually a retirement account or after tax brokerage), and more than 1 source of income (RE, retirement account, social security for those of qualifying age, part time gig, etc.). 

It's not just another CRM or social network; it’s a solution for the clutter, spam, and the overwhelming volume of unqualified or irrelevant interactions that professionals like us often encounter.The key issues with current options are well-known: the disorganization on social networks, the low response rates on professional platforms, the complicated navigation and mismatched intentions on real estate forums, and even the overpriced 'expert' communities that deliver little value.

Use Social Media to Promote Your ListingSocial media is a powerful marketing tool to help you reach a wider audience and promote your real estate listing.