The most confusing topic when you're getting started woodworking is dust collection. There is a lot of conflicting information but I will break down the dust collection basics and exactly what I use in my small woodworking shop.
My Etsy Shop - https://www.etsy.com/shop/LincolnStWoodworks?ref=seller-platform-mcnav
RZ Mask - https://amzn.to/3xQxGUG
Shop Vac - https://amzn.to/3iL11vk
Cyclone Separator - https://amzn.to/3fYlwTJ
Extractor - https://amzn.to/2VTiF7a
Rigid Hose - https://amzn.to/3iIj4lU
Green Hose on Boom Arm - https://amzn.to/3CQxoAM
Dust Collector - https://amzn.to/3m8GQdb
4" Flex Cuff - https://amzn.to/2UfnOpK
4" Blast Gate - https://amzn.to/2VVL8cT
4" Pipe Clamps - https://amzn.to/3jTg5GO
4" Flex Hose - https://amzn.to/3seOXpv
Izzy Swan Quick Lox - https://www.izzyswan.com/Store/QuickLox-4-Inch-Starter-Kit-p279858043
My Sander - https://amzn.to/37Osi9T
Rockler Hose Kit - https://www.rockler.com/dust-right-flexiport-power-tool-hose-kit-12-fixed-length