The idea would involve working together to construct a road that provides access to my property.From there, I’m considering developing a 16-unit multifamily project on my land.

I am obviously conflicted with the moral side of pursuing legal action here, but understand that people can do untruthful things when it comes to financial gains. 

Google NMLS consumer access website.

Gaining knowledge about investor loans, like DSCR loans, can be particularly beneficial.

Your sibling can use a 1031 exchange to defer capital gains taxes on the sale of the rental properties by reinvesting the proceeds into like-kind investment properties.

With land investing/flipping becoming more democratized/accessible  (so many landed courses, tools, resources etc), current prices/RE trends etc, is it still worth getting into land investing/flipping for a brand new RE investor ?

I recommend you go visit a few times to network with local investors or find an investor friendly agent so you can gain local market knowledge, find off market deals and for things such as showings, picture taking or getting accurate comps.

My name is William Taylor, I am extremely excited to be a Pro Member in the BiggerPockets community and ready to gain immense knowledge from all of the contributors.

Some properties actually lose money each month but gain value through appreciation.

Small shop brokers that have access to multiple programs so that they aren't beholden to one or just a few loan programs will typically get the most competitive product for the borrower.