Also, be aware that if you are thinking of doing a BRRRR that maxing out your HELOC can have a negative impact on your credit score so when you go to do the refi you may potentially run into issues.

I do agree 50K EMD for a 340K home is way too high and raises some concern.

You probably can't change the rate by much, you can raise it some if you include utilities.

I am thinking of raising this to $500 and also increasing the refundable deposit by a few hundred. 

,My real estate attorney is very aware of squatters' tactics in Virginia, which is why we were advised to collect rent weekly.

slightly different question than what you asked maybe, but how were you able to raise ~$1-3M (?)

I became aware of a mobile home park that was for sale by owner.

Is it possible to do an escrow holdback without raising the purchase price?

How much notice to raise rent, non-renew, post notices or start evictions?

If I'm assisting with raising capital for syndication is there licensing, etc I need to be aware of before I proceed?