If you're concerned about germs on your gear, the Zhiyun Puribar is a solution that uses ozone and negative ions to sanitize your gear in a quick, effective environmentally friendly way.
The iFixit Pro Tech Toolkit provides the consumer with a well above average repair kit, for an extremely affordable price. The tools packed inside are of extremely high quality and feel great when in use. My personal favorite tool from the iFixit Pro Tech Toolkit is the iFixit screwdriver; the smooth metallic finish feels amazing...
If you have spent any amount of time tinkering with any electronics, I'm sure that you've learned a few things. Every screw is either a Phillips head, or something you've never seen before. There are way more screws holding your electronics together than you imagined.