You want to stay in the loop, know what's happening at your property, and address any concerns pronto.

Start with BiggerPockets Ultimate Beginners Guide (free).

However, a lot of concerns can be mitigated with looking at their past rental behavior in a lot of different settings.

Send her a certified letter (keep a copy for yourself) with your concerns of her not turning on the heat and the problems that can occur with frozen pipes and repair cost in which she will be liable for if she doesn't comply.Is she using space heaters instead?

Condos are cheaper than houses, and to my mind, a vacationer wouldn't care much about staying in a bigger place for their short stay, and would be more concerned with a good location and a nice view.Thoughts?

If you don't have $3-5M of dry powder to deploy then you are going to be in for a long journey because remember, without the W2 income lenders are going to be more concerned with liquidity so some of that money has to sit on the sideline.

What are you most concerned about?

Please see my earlier response to address your concerns.

Seeing words in that language like might, try and "not at all" would concern me if I were reviewing their fund for investment!

The problem (as you have cited) is trying to understand what you need (you don't know what you don't know), where to get it, qualifying its source(s), and the validity and usefulness of all that.Pardon me if I've gone into this too much, but I meet many people with the same concerns that you are voicing and this is offered, as much as possible in direct response to your post.Please feel free to contact me if you have any comments or questions.