Welcome to the site Thanh.Your 1st step would be a sales license.Prior to obtaining a brokers license you would need to be licensed for at least 2 years and perform 40 transaction sides as well as complete 2 years of college with some specific business courses included in the 2 years of college.

I will be partnering with a local contractor who will perform the work as a subcontractor of my company.

Their credit score might not be an accurate reflection of their current situation.

It didn’t perform as expected.

Is it accurate to say you'd be more comfortable if you can keep a more personal touch with the investment and all the players.As much as I would like to recommend someone for you to talk to directly, that is not allow in an open forum.

It involves marketing, salesmanship, learning your re markets so you can calculate accurate ARVs and estimate rehab costs.

I'm a new member  looking for like-minded investors in Indianapolis to learn and work together on Wholesaling and investing in turn-key properties and both performing and non-performing notes. 

What is the best way to get some accurate numbers to do a deal analysis?

Also, find someone willing to pay you to learn the job and skills they want to perform.  

Not only is RE local, your portfolio performance will vary with types of assets owned, quality of management, and your local market.