The OP would have to let us know if she worked through one of them though.The larger are well known TK resellers/marketing companies are:RTRHartmanreal wealthMaverickNorada Most of them also do other things than TK  and some of them are also principals in the transactions not just marketers. 

In the meantime, the paydown of the LOC every pay period helps you reduce the interest you pay on the LOC.HELOC may be limited to a small number of transactions every month so some other LOC may be more useful.

An agent, lender, inspector or contractor that is transaction based?

2025 will be another slow year with low transactions similar to 2024.

I am a local agent and represented myself in the transaction.

Does Bigger Pockets have a calculator that can accommodate other loans that are part of a purchase transaction on top of the mortgage to calculate ROI?

You need to be careful around the risks of sudden price changes, market stoppages and watch for transaction fees.

Statement:I'm 1 of dozens of partners involved in a transaction at any given time.

Depending on these answers one lender who charges 3 points could theoretically have lower total transactional costs than a lender who charges only 2 points and its important to understand all fees associated with each lenders origination process. 

There are definitely multiple options and some will allow for a set amount of personal transactions per year to waive commission splits.