It’s a good time to learn about what investments are in your 401k if you have any. You can look at the data sheets on the investments to see what stocks the index funds are made of. I’m moving mine to International index funds that are not tech heavy. I’m no expert in investing but I have heard that it’s sound to invest in companies that make basic things that people need.

So where do we move the retirement account investments to to avoid the bubble? I think most of mine are in stuff like mid-cap and large-cap funds

Important to know that terminating the antennas is not the same thing as disconnecting the TCU. It’s just a “no signal” condition for the still-working TCU.

It’s not even part of the stereo or radio on some cars, many will have a Telematics Control Unit that’s a separate box with those GPS and cellular data antenna connectors on it. It’s the owner’s choice to decide if they want to leave those antennas in place or upgrade to antenna terminators to permanently block cellular data.

There is a relatively simple solution to that problem, you can disconnect the system from the Internet by replacing its antenna connection with SMA terminators. Here’s an example with lots of details about it:

https://www.tacomaworld.com/threads/simpler-solution-for-disabling-the-dcm-telematics-silencing-antennas.821649/

There’s really no reason not to have an optical drive beyond cost, and they can be cheap. Mine has a sata blu-ray burner. If you don’t have a 5.25" bay there are USB ones.