What are the biggest challenges people have faced with this.

Do number, size, or area of investments owned play the biggest role in that decision? 

This is one of the biggest insulation issues second only to the attic.

So far, I think one of my biggest lesson on 2024 is that I finally I decided to take an action and started looking for my first real-state property. 

And finally regarding the interest, yes doing these 10 yrs-loan the biggest goal was save some money from the interest.

Here's one of the biggest bangs for your buck to learn this: Read The Millionaire Real Estate Investor by Gary Keller and Jay Papasan.

My biggest goal for 2024 is to be around more like-minded people.

Two of the biggest challenges I face are that I’m not very liquid at the moment, and the Seattle area is extremely expensive.

The biggest lesson, which I learned early on: get clear on the type of property you want to buy, then tell everyone over and over again.

Some people seem to get locked in to one place they find, or a place a friend or family member is selling without really evaluating the available market.In a small town in East Texas I would think your biggest risk is a big player coming to town that can absolutely crush a smaller player.