Both would allow you to access funds without actually cashing out. 

My 'silent partners' will be bringing the down payments of 20-25% in either cash or SDIRA or SOLO401K funds.

My problem is I have had limited credit history.I have had a credit card with a $3000 limit that I use occasionally to fund bigger purchases, but that's about it.

Most attorneys will pass on back to back closings, even funded transactions, unless they know you.

You have up to a year to pay off the lien holder.So you can't come up at the funds which of be the best case you have a year to pay off what the lien holder paid plus interest.Boston the auction goes well over with the delinquent tax amount is that's called the overage.  

I have a question,What are a list of companies that offer business funding? 

Can I refinance it with IRA funds, thus pulling my unregulated cash out of the property?

Has anyone invested in a newly created Opportunity Fund?

I'm not saying it isn't a good deal, I'm saying how many potential buyers can fund a deal like that?

You can also ask to see a bank statement to show proof of funds.