Adjusting for it allowed him to realize his property’s ROI was still positive but not as high as initially hoped.

Fannie/Freddie both allow up to 90% financing. https://singlefamily.fanniemae.com/media/20786/displayHOWEVER, the  loan level pricing adjustments are HUGE on these loans: So, the rate and costs will be very high. 

Hello all. This is my first post on Bigger Pockets as I get going into my real estate journey. I'm currently in the market to purchase my first home (currently in an apartment). I'm looking to acquire my first BRRR. I...

We are only very moderately leveraged, but I am in no rush to change that and rather use the cash flow to re-invest either into upgrades (we are doing a ton of driveways this year) or more RE.I don't think there is a right or wrong way, like you said there are many different ways, I just find myself adjusting every year a bit more in that direction.

Explore ways to optimize the current cash flow, such as adjusting rents or reconfiguring the property?

You can refinance into more traditional loans later, but that initial speed matters.

If you are not rolling over to a custodian, but just changing the plan administrator and recordkeeper, you should be able to retain the titling of the investments, which may simplify the process. 3) You should be able to retain the current bank account for the Solo 401(k), but may need to switch to a banking partner that is more compatibly with the Solo 401(k) platform you use. 4) If you have a self-directed brokerage account tied to the Solo 401(k), you may need to make some adjustments there. 

It's always worth checking recent reviews to ensure you're getting someone who can move at the speed you need.A quick Anecdote: I had a friend who went through a similar process recently.

Many banks handling tax escrow accounts for mortgages have mistakenly thought there was one tax due twice/year or totally missed one of the taxes.Investors should research the SEV and the Non-Homestead property tax millage rates to project what the property taxes will be after adjustment.

It’s easy to manipulate projected returns by making a few small adjustments in the underwriting and proforma.There is nothing guaranteed with any investment.A few additional comments:1.