Should I use QuickBooks directly for something like this?

Direct.

If saving 20% and building direct is worth it to you I'd recommend it.

We offer ongoing coaching, deal review, and resources to guide you through every step of the process.Investment and Commitment: While there is an initial investment, our goal is to ensure that you receive value far beyond the upfront cost.

Don't hesitate to reach out direct to members either, most are willing to help and share knowledge, even engage with you on deals!

What’s the best way to document the transfer to ensure Partner A’s Spouse isn’t taxed on payments they don’t receive?

thanks for whom ever may lead in the right direction. 

Similar to my earlier post, you should examine why voucher recipients are the leads you're receiving. 

can join $1000 a month which gets you 50 direct wholesaling leads (1m - 6m old), access to a list of buyers, and all the tools needed to execute the deal. 

I don't know where you are at, but earnest money usually goes directly to escrow here in California, but if they want to pay you directly and try to find you later in Vegas, that works for me.