The biggest impact to your credit is payment history.Next biggest impact is your credit card utilization. 

I think the biggest benefit of it though is having access to the LOC.

Those are going to be my biggest questions when looking for something like this on or off the market.

The biggest drop in value is when you drive a new car off the lot.

My biggest tip is to save way more that you make and then buy a 2-4 unit building and use a 203k or homestyle renovation loan to do some rehab and add some instant equity.Also, Network as much as possible and get comfortable approach any one and asking lots of questions. 

One of the biggest mistakes is to focus on solely cash flow and achieving a BRRRR.

However, one of my biggest concerns when fixing homes is knowing when to use permits.

Zillow is the biggest real estate website but it helps listing on other sites. 

Would it be worth it to invest in a less expensive unit just outside of the strip or is having a place within walking distance the biggest appeal?

The biggest issue is the rebate.