haha.Regarding you first question, I could guess and debate but no one really cares or will be influenced by one person's speculation (but I am inclined to be in your camp that rates are not going back down to low levels any time soon based on our broad inflationary policies mentioned above). 

YouTube used to be a great place to learn, but now most of the wholesaling influencers are making entertaining content rather than informative content.As a real estate agent, you can provide him with MLS access to see what houses are sold for with cash as well as cash buyers.

Maybe it's influencing the buyers. 

That in 2023 interest rate and even the Fed , could be really irrelevant to influence the economy.We're in the world where every central bank philosophy failed to guide the market.

I now do a lot of repairs on her units and I text her monthly with questions about my rentals and she helps me for free.   10 years ago I read " how to win friends and influence people" and it has REALLY helped.  

They may see several comparable apartments - if the cost to heat your unit is significantly more or less, it may very well influence their decision. 

A few years later, The 10X Rule gave a boost to my motivation and goal setting that I desperately needed at the time.Point is, not all education content out there is bad.

Several things influence that of course. 

The cost/lead has ZERO influence of how much money you made or how successful a marketing campaign is.

A lot just don’t because bad ones don’t care and good ones get leads from their SOI (sphere of influence).