State law requires your LLC to register with this agency upon formation for state tax purposes if your LLC will have employees, will sell goods, or will collect sales tax.[25] You can do this online using the Department of Revenue's website."

Please refer to the Terms of Service for additional clarification.

I will definitely be reading this again and using is for reference throughout my investing career

For your reference, the property is located in Adams County Colorado.

We have a new builder (someone we know and got some references for) that rebid the job and will be able to complete the project within our remaining budget (had to cut some finishes but after this we're ok with it).

I went ahead a began classes on REE's website like you recommended.

I'd really appreciate it if someone can refer me to investor-friendly RE agents, property managers, and contractors in the area. 

The two Prop Mgmt companies I've talked to have said they're very familiar with the area, and I see the listings on their website, and they've both given me quotes of 8-10K, and 10-15K for the costs to rebuild/rehab. 2. 

Have you had direct experience using an awesome EXTERIOR paint simulator website/or app (FREE ONE)?

I commented in another website about asking a couple of friends of mine that through the day are working in neighborhoods to let me know if they see any vacant or distressed properties.