The reason not to upgrade, is that you won't get that much more income for the cost of the upgrades.  

I am staying wondering why there is so little information on tax liens,  i read some books on notes and foreclosures but looks like a big secret here... maybe that's the reason... i need to go into this to find out :)

What is the reason?  

There is no reason you couldn’t do the same… so why let them make the money and give up the control?  

You can stack your personal 50%s up for separate ventures while still knocking out deals without your own capital2) Read Raising Private Capital by Matt Faircloth3) One LLC with the S Corp designation to pay yourself a reasonable salary from the flip profits.

I had every reason to be nervous because my first deal was in Germany, I was the project manager, and I didn’t speak any German!

We sold the house quite quickly at a reasonable profit.Lessons learned?

Yup, this is exactly the reason that I wouldnt allow delegated correspondent - it's too easy to get greedy and gloss over red flags when you get paid to package and sell risk to your partners instead of bearing it yourself.

Reason being is that it allows you to invest in other products other than they offer, so that's why they don't promote these . 

I've owned student housing as far as 4.1 miles from the University of South Carolina campus.In my experience, the only reason kids would live that far away is cheap rent.