I am a newbie and avid podcast listener all advise would be appreciated!

Note the key wording there of "fee" not "deposit" and advise to be careful not to list non-refundable deposit or you have to deduct repairs from it. 

I would highly advise you to pull title work and do the transaction formally through a title company.

I worry about my current credit hindering me from my second dealAny advise for a first timer?

Advise her what the penalty is for early termination of the lease and advise that she needs to put her notice in writing. 

For example, if rehab cost $70K which is our average, he gets $4,900,,  PLEASE ADVISED, 

Figure it will take a few months for the 2nd wave to hit and them to accept they won't get what they expect for their home as more houses enter the market.Not in a rush to buy back into the market - so I'm assuming you'd advise to wait at least a couple of months for more market movement?

If you have assets that could be a risk in the event of a lawsuit then placing your property in an LLC is usually advisable.

The other factor is that actually, there is potentially nothing wrong with the existing wiring in terms of use or safety, but once someone starts to futz with it, it can become wrong and unsafe very easily, which is why many electricians advise to leave that **** alone.The second thing I feel compelled to say is I am not sure how you plan to use a plastic box and still maintain the ground.

Thank you Nic that was some great advise.