Your Heloc doesn't pay you interest, in fact it costs you interest, not good at times of financial strains.

Make sure any agreement is in writing so that you don't have a strained relationship down the road. 

Sounds like you need to tighten up your process on how you approve pets.

In addition to the strategy I previously outlined, I would recommend you take a good look at your rental agreement and see how you can tighten up the language to clarify your expectations, as well as the consequences for the tenant if they do not following the rental agreement terms.Evictions are costly.

With a very small set, you can tighten a screw or whatever.

Alternatively, maybe you could get her to a point of understanding that real estate investment is necessary to fight off the future financial strain of buying your three kids cars and tutors as well as setting up a college investment fund - i.e.

I tightened up the screws, but still had a tick.

I feel that the relationship is strained to a point where he feels it necessary to call me and complain about things that are not hurting the property at all, temporary things like me leaving building materials (old windows) next to the house out of site to the street to haul to the dump in a week or so.

She loves my daughter (she's her godmother) but our relationship was getting strained by the day.

. $550 out of pocket as an isolated incident is a small price to pay to tighten up the back end processes.