If you did not then I see absolutely no reason why the complaint against the wholesaler's agent (I won't give him the credit of being referred to as a "buyer") should prevent you from re-listing your house.If you did have a listing agreement then I would suggest consulting a DIFFERENT broker as @Don Konipol suggested.

Getting an additional 3% back on every deal made too much sense to me, so I got my Real Estate License.

Financing: I have about $1.3M to deploy right now and will have additional ~$700K (sale of primary home) to deploy in 3 years (total $2M). 

Additionally, the 1031 exchange is worth mentioning though I'm sure you have already thought of that. 

I now have an LLC with a business checking account and credit card that I just established to separate my business transactions and personal.

And keep in mind this is in addition to your normal tax liability.

Just a thought, is an equity loan or equity line of credit an option on either of these?

The Professional plan is a great space for seasoned vets who need a robust system where their team can work through the entire acquisition process.Your BP Pro Membership gets you 15% off the Invelo subscription price and $100 in in-app wallet credits for paid plans. 

For MF properties in Bremen, you will most likely have to do a multi approach to sourcing the right deal: market to off market properties to see if they’re interested, watch the MLS, and look for properties that have enough land and zoning will allow an additional dwelling unit (ADU) like garage apartment or tiny house 

I financed the rehab with a 0% credit card (i strongly do not recommend that if you're new) and so i had zero finance or interest charges for the entire rehab.