Not that profit and ecologically sound practices are mutually exclusive, but you need to decide in advance what priority #1 is and reverse engineer things and make decisions to achieve that goal and integrate the lesser goals as you are able. 

I have an agreement with another agent that if he finds the property and I purchase it, he gets the exclusive right to list it when it's ready to go back on the market after the rehab.

Something that is exclusive only to registered attendants.

your mom would be ineligible to take the section 121 exclusion since she has not lived in the property for 2 out of the last 5 years.

As I understand it:A "syndicator" who is familiar with a market and strong management teams finds deals that require capital primarily for real estate acquisition (but not exclusively: I have heard of funding the launch of mobile home parks, public storage facilities, and other relatively low-complexity real-estate based operations)The syndicator then sources capital from a list of people who are qualified for being able to write a certain check size (in the cases I've heard, this ranges from $20k to $100k)Each of these people can opt in or out of the deal, which is funded on a first-come / first-serve basisThe deal is structured as an LLC, with a distribution waterfall that starts with the capital invested plus 8-12% accrual in a "preferred tier" followed by a common tier which is diluted by management (~15%) and by the syndicator (~20%)Is this a common practice? 

We did fix-and-flips, wholesale deals, fix to rent deals, owner occupied fixers (that we stayed in for the capital gains exclusion and then moved on), short term rentals, subject to deals, lease option deals. 

Meanwhile live in the first one for two years and sell it tax free under the primary residence exclusion.  

WikipediaLow crime - High crime and long-term appreciation and rent growth are mutually exclusive.

We have an exclusive private group dedicated to pocket listings and package listings, specifically available to our valued owners.

We invest in the midwest exclusively and have had some very strong numbers as well.