My end goal is to establish enough business credit to get approved for some business lines of credit.Any advice would be greatly appreciated!

If you establish a business foundation you can invest with family successfully. 

neither are we, so we are pushing volume we want a lot of people doing it so there are transactions and established values for the product we are building. it is economies of scale.

I’d have ZERO interest without a written commitment from a well established power company with assets to seize if they failed to follow through. 

Initially I was planning to establish an LLC for liability protection, but after several consultations with different law firms, entity structures seem more complicated and much more expensive than what I need just starting out and with and no real wealth to protect. 

I will live there for a year (It was an REO and I signed an addendum that I have to live there at least a year) while I complete the remodel and then rent the property out to establish cashflow.

The tax increase was 14.75%The 2023 tax without the special assessment was $4,054.04The 2024 tax without the special assessment was $4,274.83Here's the breakdown from the County's website:Values established by the assessor as of January 2, 2023Estimated market value:$334,000Taxable market value:$326,820Total improvement amount: Total net tax:$4,274.83 Total special assessments:$8,137.29Special assessment details:010272316GST IMPRV RESURFACING$247.350109602023VACANT BUILDING REG$7,703.710125121T052021 TREE REMOVAL-5$186.23

How do you establish possession?

I have already established a SD IRA with a custodian.I am looking at establishing a SD solo 401k with checkbook control with a provider at lower costs.I also am looking for advice if it is smart to leave my SD IRA with a custodian and pay the higher fees or if I should roll it over to a provider to minimize cost and gain checkbook control.Thank you.

It's not the easiest way to make money, you need to stay on top of the logistics of things, and keep a good relationship with FedEx, but it's steady money, and once the route is established and you have some reliable drivers, it's good income.