With a PM in place, this situation should have been managed more effectively.

Quote from @Scott Tennell: What creative financing strategies have you found to be the most effective in today's real estate market, especially in terms of working with sellers or investors in challenging conditions?

LOC's can have negative effects on your future purchasing power if not set up correctly and keeping in mind you can "never" use an LOC as a reserve or asset.It will always be a debt burden and can over inflate your back end debt ratios depending on the W2 income and your liabilities.

And this seems to be effective. 

If risks feel too high, consider waiting until your live-in flip is complete and your position is stronger.This post does not create a CPA-Client relationship.

If you're 28, in a relationship or single but no plans to marry then I would househack locally.

This post does not create a CPA-Client relationship.

It may effect lease renewals.  

When it comes to creative finance, I personally lean more towards seller finance as I like getting to work with owners and building relationships with them.

Besides a mouse trap, another effective way to deal with mice is a cat (if the tenant wants one and the lease allows it).I grew up on a family dairy farm and the barn had grain, which attracted mice.