With a fideicomiso, the gross income is taxed through a withholding tax whereas, with the corporation, the rate, you can deduct expenses but the taxation rate is higher.

Some guys I work with were getting 90% advance rates in Houston, but I think the banks are back to 70-80% now.

You can likely do this with your savings rate (that will likely increase) and age. 

That will get you looking at cash flow and end up in a lower rated area than you think.

Where to get the most recent and accurate data for things like:Unemployment dataPopulation growthJob diversity and top employers in the areaVacancy rates (eg huduser.org)Property taxes and jnsurance costsI saw bp pro and reventure and a bunch of other websites provide some of this data, but i wonder how accurate and recent it is.

Crickets...At this rate, it will be 2+ years before the project is finished.Anytime you ask for a project plan or schedule you will get vague responses with no actual plan.

Is it high appreciation area with a low rate mortgage?

Tax-wise, profits are taxed at your ordinary income rate, and frequent flips may subject you to self-employment tax if classified as a dealer by the IRS.

A trust transfer allows for smoother estate planning, and if inherited after their passing, the land receives a step-up in basis, reducing future capital gains tax.Each method has pros and cons depending on their estate plans and your long-term goals.

Ultimately though, it will depend on the lender and the availability of funds (assistance) available for the demographic area that you are purchasing in.Do you have a property that you are looking at?