I have the option of using a commercial loan 20% down taking a mortgage out in my LLC's name but that leaves me very inflexible to start in case something were to happen.

Collin County is very inflexible when it comes to protesting the tax appraised value. 

NREL first recognized the issue in 2008 and since then many steps have been and are being taken to modernize the grid to be able to handle 100% renewables: 1) Target energy efficiency to the hours when load ramps up sharply2) Acquire and deploy peak-oriented renewable resources 3) Manage water and wastewater pumping loads (7% of load)4) Control electric water heaters to reduce peak demand and increase load at strategic hours5) Convert commercial air conditioning to ice storage or chilled-water storage6) Rate design: Focus utility prices on the "ramping hours" to enable price-induced changes in load7) Deploy electrical energy storage in targeted locations8) Implement aggressive demand response programs9) Use inter-regional power exchanges to take advantage of diversity in loads and resources10) Retire inflexible generating plants with high off-peak must-run requirementsOur electrical infrastructure is dated and in need of improvement anyway, adding more solar just forces us to deal with an already underlying issue. 

I follow these rules because I like to keep built-in flexibility to my process so I can easily issue rent increases and other rent term changes.

The reputation that FSBO's have is they have no clue about the market and they are asking too much money and are inflexible.

However, I would hate to not have received a full price offer with good earnest money and only a minor contigency that could be quickly resolved because of inflexibility.

And both are a "rule of thumb", not inflexible rules that must always be followed blindly.

Yeah, there's no need to be totally inflexible here if you're a decent landlord and don't have trouble renting places.

The seller is very inflexible, and my FHA financing is going to take longer than anticipated.

maybe".I use them for investing all the time, but under very special conditions...and within a very tight, inflexible window.The basic conditions is that they are:\1 - Business cards2 - Have 0% interest for at least 6 months (preferably 12)...this establishes that "inflexible window"3 - 0% interest must apply to new purchases AND transfers4 - Must have at least 1/2 of the available credit able to be used in a "cash advance".5 - Must be at least 3 different (preferably 4) cards.Process of use:1 - Use the Cash Advance from the cards to buy property (this is a "cash like substance")2 - Immediately transfer balance from the Cash Advance to one of the other cards thereby eliminating the high interest rate you have on cash advances.3 - Use the remaining balances on the cards to pay for the rehab, etc...