While a theme is lovely, you want to avoid it feeling bare and lonely as those are negative emotions. 

If I were to HELOC or refi @ 75% LTV I would have a slight negative cash flow on the property.

You can have a cash-flowing property that has a loss for tax purposes, primarily due to the effects of depreciation (a non-cash expense).If you have a negative cash flowing property, then your only financial benefit as an investor is the gamble on property appreciation.

I came to bigger pockets for some insight and opinions on investing in mfh in the las vegas market. and i must say, i got a lot more negative feedback then i did postive.

These are things you will pick up by driving the neighborhoods you select.Cash Flow: Cash flow is:Gross Rent - learn to estimate this by looking at local rental listings, talking with local investors, and networking with real estate agentsLess PITI (Principal, Interest, Taxes, and Insurance) - you can often get most of this from your lender and insurance broker.Less Vacancy - Ask local landlords and look up statistics on HUD. 

If you're looking to put the minimum down on a single family (20%) and account for all short term and long term expenses, you're going to be a cash flow negative for a while till the rents rise high enough to keep up. 

Crime rate looks manageable, which is more relevant if this will be a rental and less so (but still important) if this will be a flip.Population trend is disappointing, unfortunately- negative 1.2% since 2000, much less than I'd expect for a city that close to Philly. 

This isn't meant to be negative, but I'm just looking for a better PM software provider.

Rent control is the government creating a negative monopoly.  

No one screws with the landlord’s nephew, and if the “landlord” has to say no to unreasonable requests it doesn’t negatively affect your relationship with your roommates.