I thought of traveling from city to city, hosting hundreds of people in small convention halls (who would pay a nominal fee, natch) but I don't want to travel constantly. 

I could not have done this without them and the fee is nominal for what they do! 

So a 11.9% nominal return from Fundrise is inferior to an 11.9% nominal CoC return in a syndication.

From the time of CLOSING on the relinquished property, the investor has 45 days to nominate potential replacement properties and a total of 180 days from closing to acquire the replacement property.Identification requirements: The investor must identify the replacement property prior to midnight on the 45th day.

Costs will be nominal, which your borrower will pay.Of course, you should ask for and read the preliminary title report and request lenders title insurance.

On one hand, yes, your nominal costs might be higher since you have more units, but your per unit costs will tend to be lower.

Any debt financing will need to be non-recourse and the use of debt-financing will expose the IRA to nominal taxation on Unrelated Debt-Financed Income (UDFI).While the leverage is not as high as what you could achieve personally, the BRRR method of investing can be a great way to accelerate the growth of your IRA. 

Based on your figures, you are around 80-85% now so PMI could be removed or nominal at best. 

One last question: Since I am not doing a normal bank loan for them, what is a nominal fee to charge for my knowledge?

You can pay for some on BP or you can talk to a local property manager and have them write you up a rental agreement for a nominal fee.