I will transfer title into my LLC, I trust that will suffice.

This assumes you have suffice power at 100 amp service per unit.  

Its a long story how I got to Bigger Pockets but suffice it to say I started my investigation at one of those "high cost" guys with a friend and my friend found Bigger Pockets cause she wanted something better within her budget.

@Talmadge LawingPart-time self-employment income suffices in order to qualify for a solo 401k plan.

If you have a tax return for the second home, that should suffice.  

Check out some of Immanuel and my other posts for details backing this up but suffice to say Notre Dame is working with SB to bring in high tech industries, there is a new power plant going in south of town, it still has great manufacturing including trailer construction, it is on the intersection of 2 busy highways 80 & 31, and it is less than 2 hours from downtown Chicago which is one of the largest inland ports in the world.

Or does 1 day suffice?

Would a general home inspection suffice?

Suffice it to say, we chose wisely/lucked out.

Depending on what your needs are, it may suffice.