Television and a provided Netflix account.

If you don't get the show on television you can go to HGTV's website and look for it there.

I know only the organizer can broadcast out invites, create a "Meetup event," etc.

Podio is a great data aggregator while ActiveCampaign is a super powerful tag-based marketing automation system... amazing for outbound direct mail, drip campaigns, text, sly broadcast, etc....

I can't imagine a TV or Radio spot.The contract between 2 parties cannot override regulations.Yes I agree, running a television commercial or radio ad for 1 wholesale property you have under contract wouldn't be the smartest idea...marketing something you don't own can definitely get you in trouble. 

Newspapers, forums, television, podcasts, others? 

People tend to believe what they see on the television whether it is true or not and most people just want to be lazy and tends to do investments late and how it is reported on TV which tends to be believed too much.   

I have watched a ton of house flipping shows on television, thought to myself of what it would be like to become successful at it then become financially independent.

The building would consist of a larger group setting, television, lounge style seating, pool table, darts, etc.

He owns his own television station and does about 6 or 7 shows a week that are usually about an hour long.