Wheel bearings, with spacers you’re extending the hub out further and adding stress to the wheel bearings. You’ve essentially added a longer lever to the wheel bearing and added a lot more stress to them by doing so.

Don’t do it! The sheepshank is unstable and unsafe.

...and, unfortunately, learn how to look for signs of bedbug infestation, put your luggage in the tub for now, and check the bed and furniture! Here’s a good video tutorial.

I use my standard humidifier and add a small amount of bacteriostat to the water. Does the trick.

The 80 are often dropped under the assumption of two weeks vacation (that may be unpaid or may not be accounted for in salary calculation).

I have the ASUS WL-330NUL, the range is pretty great, I got it for around 30-40 on amazon, its small and compact and gets the job done. It can run off of a USB battery pack if worse comes to worse as well.