Planning to use HELOC to buy cash for a property.

I noticed that rents for LTR are pretty high but still will not be enough for positive cash flow.

Purchase price: $225,000 Cash invested: $80,000 Sale price: $375,000 This home was a foreclosure, and the home was a disaster.

Was looking at a multi family in Springfield OH and on paper it looks good and cash flows.

You need to vet them for what they are bringing to the table (cash/project management experience/contractors/etc.)A good hard money company that can work with investors on the loan and/or construction costs.

Secondly, does the "cash for keys" apply in this case? 

That increases my monthly cash flow and it boosts the value of the property to increase my equity.The downside is that it can take a lot of work, time, money, and patience. 

Purchase price: $410,000 Cash invested: $150,000 Sale price: $665,000 This asset was purchased along with a multifamily community as it was on the neighboring parcel.

If I pay $70,000 above but can make $400,000 more in both cash flow and value appreciation it's a great deal.1. 

If it does what ours does then you can make a decision. our two houses are about 1.5mm together - maybe with a $2mm house you will have a little more responsible guests but I doubt it as there is always one person that screws it for everyone.fortunately for us, the dip in income didn't impact us because we bought with cash but if they have that pressure it may make a difference