So far, after several hundred record skips, I saw around a 50-60% hit rate. 

I also cannot imagine companies with hundreds of units getting better than 4.9 out of a 5 star rating. 

And take the time to read the hundreds of threads on other people's experiences trying to do what you want to do. 

A title search costs a few hundred dollars and supplies the bulk of the risk protection.

Yes, I have looked at hundreds of appraisals of 2-4 units.

Does a few hundred a month cash flow on a duplex really offset repair or replacement of appliances/HVAC/roof/eviction etc? 

There are hundreds of others nationally, Internationally and locally that are all fighting over a few deals and thats driving prices up and margins down.

There are hundreds of hotels and resorts, with better location due to city regulation. 

Quote from @Victor Bruno: Cabinet install can be a 10% of the total costs of the cabinets I always used to charge a minimum of $1000 for cabinet install.

How did you find the price of SQFT in your area i know getting the GC to walk the property with you is one way is there another.It's easy - we get the SF$ by having the work done for us hundreds of times.......then we just do the math :-)But as has been said, the price will vary greatly depending on location.