In this scenario, are both mortgages considered senior liens, or is the one recorded earlier in the book, indicated by the lower page number, deemed the senior lien?

Buy in December, lower competition.

As I'm sure you know watch your expenses on this one closely to try to re-coop some of the unexpected costs associated with the furnace.

Instead of it being more of a level playing field, where commissions were essentially standard, a lower asking price with a buyer paid broker or a higher asking price with a seller paid buyer broker will be something for investors to consider before presentation.

If I stopped posting today, I would continue to earn income for the foreseeable future (possibly forever) but it would slowly taper off and get lower and lower every month as my videos get older and less relevant.

LLCs are expensive.

You should always be confirming this before a walk through, unless you are doing a group walk through time over a couple hours where the investment is lower than an individual showing. 

If you have a lower budget, try to find people who would be willing to partner with you on the first deal (or couple).

It was a second home from a family and I was able to negotiate lower.

Heloc is generally 10 or 15 years amortization verus a 30 year mortgage with the lower payment.