Regarding debt, I would definitely pay off consumer (credit cards...) debt as soon as possible but not the mortgage.Find the people around you that have the life you want and do what they are doing.  

The camera is connected via wifi to a TP-Link router with a LTE air card plugged into the USB port.

I have a credit card in the name of my business, and it shows up on one of the three big credit agencies but not all 3.

Just leave their business cards whenever you visit a house which you like or what to get more info about.

I purchased the tools with my investment property LLC credit card and wondered if it is possible and/or favorable to depreciate these assets?

My entire life “savings” of $12K that I slowly built while I increased credit card balances almost equally (forced savings?

I was thinking about post cards, door hangers or flyers.

Call landlords that have vacancies and ask if they will sell.Get some nice business cards together and give them to people.

forget having home depot install. call up a local (independent) carpet installer and i guarantee it will be cheaper. let the guy know that you have rentals and may be looking to use him for future gigs. i was quoted $250 for HD to install my last carpet job. i went into a local carpet warehouse and got the card of a guy they contract out to and he did an install and even hauled away the old stuff for $80.

As we spoke, my real estate investing came up and I asked for a business card from the contractor stating the need for construction services at some point.