Is a $20 rotary tool any good. It's not as powerful as a plug in version but it does have some good uses.
HARDELL Mini Cordless Rotary Tool, 5-Speed and USB Charging Rotary Tool Kit with 69 Accessories, Multi-Purpose 3.7V Power Rotary Tool for Sanding, Polishing, Drilling, Etching, Engraving, DIY Crafts
Amazon link to the tool:
https://www.amazon.com/dp/B08VHYX96W?...