Sometimes timing is not right or they simply are not a fit for it.In life you have wealth accumulation, stabilization, and preservation stages.

Although I specialized in mobile homes for over 20 years I learned enough from BP contributors to also accumulate a nice portfolio of real estate.I developed my own contract for selling mobiles (many provisions good for real estate too) that saved a lot of time and headaches.

You will make more money the more skills and experience you accumulate.

This is a play for accumulating rental property.

This discipline can help you accumulate enough for your initial investments and create a safety net for any unforeseen issues.Remember, each of these strategies requires careful consideration, and there are always risks involved with investing, so you must do your due diligence.

Keep all your cashflow in each account and if these are newly acquired properties, keep all the accumulated cashflow in there as reserves for capex and vacancy (assuming you have debt service on them)As for the LLC question (which has been an age old point of contention among small time investors- risk vs. cost), unless you purchased them all cash or have a commercial portfolio loan on them, I don't see how you can have an LLC entity holding them if you have conventional agency debt on them. 

I'm basically in the phase of accumulating cash at the moment to jump on any deals that I believe will be coming up towards the end of the year. 

When transferring rental real estate to an LLC, accumulated depreciation on the rental is also transferred to the LLC.

The value has appreciated significantly in the 6 years in total since  I have owned it.  ...and before that long term exit takes place, how much accumulated negative CF will you be building up? 

We accumulate historical data over the years to select and validate properties.