If you're looking for appreciation and good tenant laws, Florida is a great option. 

If you don't have the funds you'll need to make them through a W2 job, or 1099 contract work.Alternatively, you can looking into other "creative" financing options.

Consider exploring HELOC options from national banks or online lenders that operate across multiple states.

Also the added value from developing the lot is more in the vacant part than in the already built portion.If we do have to sell the whole parcel, another option could be a performance bond and a lien on the property.Looking up pros and cons of performance bonds, this interesting article comes uphttps://www.lauriebrennan.com/blog/to-bond-or-not-to-bond-th... 

If not, generate cash and build credit profiles for free i.e. 800 FICOs and 80 PAYDEX LLCsbecause when you need to raise money, the more options the better.If you need any advice on building credit effectively on the cheap,feel free to reach out :)This is my opinion and I'm not licensed,John Acheson, MBA

Since then the company which provided the solo 401k was acquired, rules changed so that now (in 2023) what companies offer this option?

In exchange for the time you spend on this, you will get to save the fee you would pay in option 2 or 3.

The financing options I have seen that make the most sense are Construction to Permanent Loans, but researching all of the different loan options has my head spinning.

If you want to have the LLC owned by your trust, that is always an option.

all these millionaire using leverage and creating low debt for themselves.All CEO issuing stock options, issuing corporate bond , stock buyback is all about creating low cost debts.