Yes you definitely have many options for purchase with LLC using no income and no doc .

This is generally accurate - the value is going to be derived based on the "market" of buyers - since most buyers of SFR are owner-occupants and not basing price on rental potential, rents aren't going to be the source of value. 

I could look at nearby properties and their tax value on the County website Any advice on which of these 3 options is more likely to succeed? 

Feel free to message me and I can point you in the direction of a few other options. 

Use one that has flexible pricing/spending options, memberships for discount pricing (these often pay for themselves with your first list). let me know if you need specific information about skip tracing

I live in Montana and geographically, it seems like one of the only options for investing that is within one flight away from Montana.

We live in San Diego and I have realized that buying here in this market will definitely not cash flow so considering Midwest as well as other options.

Full disclosure - I'm a mortgage broker in CA and do RM's, but the only way to see what their options are, is to get some information together.

They also give you the option to buy the lien for subsequent years so that you stay in first priority (the whole process takes 3 years before the property is forfieted).

But with mixed use your loan options are mostly limited to conventional.