Used Beer Brewing Equipment

I do not see why not.

Yes, just be sure to rinse really well.

But I suggest you consider something else

I often just use antibacterial dish soap or run things in the dishwasher.
I have not had an infection / bad batch in more than 10 years.

glass cleaner that contains vinegar. I think it's the last thing you want in your brewing equipment.
Use bleach and water.

You can of course!

I do all the time.

I use a disinfectant solution