Upcoming extended freeze - pipe protection

Depends. How far below freezing are you gonna get? It's probably enough but might also be overkill.

I have heat trace on my pipes and insulated, use a device called EasyHeat that is plugged into the receptacle, it activates-turns on at 38 degrees and off at 50, you can plug in lights, heater, anything rated at 15 amps and below. this eliminates having to be home or remember to turn lights on.
Also for water spickets look at freeze miser outdoor faucet protection, opens at 37 and lets water drip so pipes do not freeze.

pipes burst when the water expands and is stuck at a closed valve or dead end. Shut off the water at the supply, drain down every faucet then leave them cracked open. Open your kitchen cabinet doors and close the doors to your bathrooms etc as able. Make sure you disconnect any hoses at the outdoor faucets.

your pipes may freeze but they won’t burst if there somewhere for the expansion to go. I have lots of exposed pex and PVC outside for irrigation, outdoor kitchen/shower/etc and haven’t burst a pipe yet as long at the terminal valves are open

For those on well water I had a guy who works on them tell me when you run your sinks at night run it at a higher rate than you would city water. This will allow the tank to empty enough and draw up more water that would be 72 degrees coming from the ground. Keeps your pipes coming from the ground into your house with moving water.

Doing a delay wash on your dishwasher or washing machine does the same thing.

ETA: I have two halogen lights under a heavy tarp over my well and I wrapped incandescent Christmas lights around my incoming pipes, wrapped with towels and then some styrofoam, then taped up. Should I be good?

I guess it depends on where you live. Where I'm at the lows are lower 20s. I would think that would be ok.

Delay start dishwasher at least the first night. Open under sink cabinet doors to they get heat from the house. Cover outdoor faucets with protective apparatuses. Drip a couple faucets, although multiple days of this gives me anxiety.

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Yea this is why I thought about just shutting off the water and bleeding all the lines

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If I was leaving for a few days, I'd turn the water off outside (where it enters the home) and bleed all the lines. Hell, I'd do that even if it wasn't freezing and I was leaving for a few days. Better safe than sorry.