. - She can use REPSTRACKER for thisI then of course have a plethora of other questions in terms of book keeping (tracking all purchases etc...) but I will save those for another time unless someone has the best offline resources I can start to learn from? 

Properties with poor data privacy practices represent a risk, both in terms of fines and reputation damage.

A successful real estate investor views each property as a potential asset, analyzing its value not just in terms of current market conditions but also its future growth potential.

And keep in mind that while you may be cash flowing over 3k a month, you really need to consider that the heloc payment doesn't really belong to that rental in terms of cash flow. 

Is there an advantage being in one town vs the other or are they all relatively equivalent in terms of occupancy and rates?

This gives me a gut check in terms of what the rent range is for this property based on location, number of bedrooms, and number of bathrooms by showing the average rent, median rent, 25th percentile, and 75th percentile.

Currently in Las Vegas, NV where the barrier to entry is high in terms of costs SO I'm looking elsewhere. 

In terms of legalities.

Hey Jimmy,2x Los Angeles house hacker here (and a case study in the BP book, The House Hacking Strategy).In terms of age, it can make a difference but it comes down to what work has been done.

The documents are a little unclear in terms of what the interest rates are, but is says "As low as 4% for businesses without credit available elsewhere; up to 8% for those with credit available elsewhere."