Is it from experience of there are tools out there that show numbers on specific areas?

Tools like PropStream, Redfin, or Zillow’s market data can help you identify neighborhoods with high demand and favorable price-to-ARV ratios.

My two cents is that the non-live broadcast is a commonly used marketing tool If it was "live" when it was first broadcast, then it is not a "scam" in my opinion but a rebroadcast that does not disclose that fact (not as professional as it could be).

We pride ourselves in keeping the forums positive, helpful, and focused on real estate (please, no politics, religion, etc.).

There are rental management tools like Stessa, Baselane, Innago, and many others that include income/expense tracking that handles all the accounting tasks and reporting you really need for rentals. 

The truth is we have plenty of water with the highest mountains in the lower 48 with massive snowpack most years yet most of the water is dumped out the Sacramento River delta into the ocean due to politics.

Be sure to check out the free tools BP provides to help analyze deals you may have and also market insights.

Did not know about tools on how screan tenants.

Are there tools or rules to estimate the expenses. 

I've done a few 1031 exchanges, they are a valuable tool!