They will also allow you to surround yourself with other like minded individuals which will ultimately start to change your behaviors and make investing much easier for you. 

Is there a JV agreement or an LLC agreement - Who are listed as the members - is it you and your partner individually or the LLC that owns the land.Best of luck.

A 1br basement apartment in most areas of Denver will pull in a minimum of $2,500/mo, more if you're in a nice area or have a really nice setup)Buy a 4br or 5br SFH and rent out the rooms individually.

Leads are actually qualified individuals that indicate they want to sell.

On these sites I would both look at 1 bedroom apartments and individuals looking for roommates/renting by the room.

Once you have a team of trusted individuals in these 4 roles you'll be ready to invest knowing you are in good hands!

I asked me to add my spouse to the plan but they say she has to open another individual 401k.

Conforming loans backed by Fannie/Freddie are only made to individuals and not business's so anything outside of this would be a commercial or private loan.

I am looking to buy and house hack my first home (STR/rent individual rooms in the house).

In addition to that, I don't even think you can own an STR in an LLC as permits are only issued to individual owners.