Compared to an IRA, Solo 401k contributions limits are roughly ten times higher.There is no custodial requirement for the 401k.You don't need the additional expense and administration of an LLC to have checkbook control.You can borrow up to $50k from the plan; IRAs do not allow for participant loansThere is a built in-Roth component whereas IRAs are either traditional or Roth, not both.A spouse can also participate in the same Solo 401k plan.The Solo 401k has additional tax benefits over an IRA when investing into real estate using leverage.The penalties for prohibited transactions are less severe, though it's best not to utilize this benefit :)

If one unexpected thing goes wrong, and you are in big trouble.

This was unexpected because, even after the initial introductory period was over back when I first obtained the credit line, the bank continued to offer the 0% promotions again and again for years.

Plus, you'll want to create an upfront operating account of 1% to 5% of the purchase price to cover unexpected expenses before you've accumulated enough money for the $250 to $300 savings.For SFRs or smaller multifamily, as you said, it depends.

I know that any distributions from my IRA is a taxable event subject to income taxation, but I just want to make sure that transferring from an inherited IRA to a self-directed IRA does not generate unexpected tax implications (because I'm simply transferring between slightly different IRA accounts and custodians and not taking any distributions).  

He was healthy but died unexpectedly of a heart attack and the company refused to pay off the car due to some technicality I cried the rest of that day and decided at that moment I was out of there, I couldn't live with being a part of that. 

I agree with others that would be nice to have one that is fixed up and move-in ready but with a fixer component somewhere.

As mentioned $100/door might not provide enough to alleviate from unexpected events (even assuming capex, vacancy, etc is included in expenses).

The bathroom was purchased with other components, floor, plumbing, second bathroom reno.  

But the conversation was so unexpected that I didn’t have the numbers with me.)Part of me wants to tell him to hit the road.