I would put it in your listing details and also potentially house rules. 

Give me a call today, I would be happy to go over the details / price out your scenarios.

Are their listings detailed with good-quality photos?

@Brian Eastman , @George Blower , and @Dmitriy Fomichenko are all experts in the SDIRA/Solo 401k arena and, I'm sure, will be happy to give you more details.

Here are some indicators to help you assess a buyer's seriousness:Questions: Serious buyers will ask detailed questions about the property, such as maintenance costs, neighborhood amenities, and property taxesStrong Offer: If a buyer makes a strong offer quickly, it often indicates a high level of interest and intent to purchasePrivate Buyers: If approached by a private buyer, ensure they provide a Letter of Intent (LOI) and proof of funds.  

I wasn’t trying to be long winded, with too much detail, in my initial post but I actually did this method on a fix and flip.

What about a duplex in Sav like this: https://www.realtor.com/realestateandhomes-detail/1514-Augus...?

@Jeremy TaggartThank you some much Jeremy for the detailed answer!

I have the bigger pocket calculator if you have one a little more detail I would love to see it ok very nice!

@Jay Hurst thank you for this detailed message.