Louis, but I work with investors/developers like yourself across the country.

I know some mentioned about developing banking relationships and I totally agree with that, so here is what you do. 1) Open a business checking account in the name of your LLC to hold the assets. 2) Deposit your cash into that account to fund the real estate purchases3) After owning for 60-90 days, talk with a local lender about a line of credit against the 2 properties at 60% LTV. 4) After about 30-45 days, have the line open to use if you need that liquidity that you used, but until then you are not paying 7% interest on nothing. 

They spend a ton of money on advertising their product and apparently have none left over to spend on product development.

This can be a game-changer for fix-and-flips, buy-and-hold investments, or new development projects.For lenders, it can mean earning higher returns, often in the range of 8-12%, backed by the property itself.

Have you heard of Singh Development Company or dealt with them?

Will you be developing single family homes or multi family on these lots?

My goal is to build a business that serves corporate clients; construction and infrastructure development teams,  medical/education faculty,  corporate relocation,  family emergency relocation services,  sports travel/events, corporate and industryand I want to learn from those of you who are doing this successfully and are willing to share actionable ideas for how I can be successful in offering value to these groups.Thank you!!

If it's above 700 or 720, I wouldn't worry about it too much (though credit scores are dynamic and change over time, especially with RE developers).

I would assume that you'd just simply sell each individual lot to the developer at a set lot price such that your cost to purchase the raw land and improve it to buildable lots was worth the proposed profit per lot.  

It explains the team that you should develop to have a strong foundation under you while investing remotely.https://www.biggerpockets.com/blog/core-four-real-estate-team