Many members are experts in their respective fields related to real estate investing, whether that is real estate brokerage, wholesaling, flipping, buy and hold, lending, self-directed IRA and Solo 401k investing, or tax and legal guidance.There are some pretty cool discounts on various products and services offered as Perks to BP members that you might want to check out: https://www.biggerpockets.com/perks/proIf you haven’t checked it out already, the Bigger Pockets blog features links to their awesome podcast and many great articles: https://www.biggerpockets.com/renewsblog/The site has quite a few tools that can be helpful for new members.

Do they have more desirable features or updates?

My two cents are as follows...we were tasked by Progress Residential to source and acquire homes for their portfolio in Atlanta but initially they did not want us to manage their homes for the reason mentioned...potential conflict of interest...after about 6 months using other managers with poor results, they came to us and asked us to manage given the fact that they were so pleased with the way we professionally approached the acquisition process. 

CoStar is a good source for most research pertaining to Commercial Real Estate.

Wells usually require a 100 to 200 foot setback from all sewer and other sources of pollution. 

If he doesn't want to bind you on other properties, we have a "Non-Exclusive Buyer Broker Agreement" that does not require you to pay the agent if you source a property somewhere else. 

The accessory dwelling unit shall incorporate the same or similar architectural features, building materials, and color as the main dwelling unit on the property.

Here is Erie county, as of May 2018, it is illegal to discriminate based on source of income which includes section 8.

A good insurance broker can help there and a very good trusted GC  along with the very all important real estate broker that specializes in new builds.. they will help you design the home and features that are needed to sell.

You'll need comps that are sold as close to you as possible, as recently as possible and similar in size, style and features as possible.Good luck!