Some resources you will need are:
How to knit websites
https://www.thesprucecrafts.com/learn-to-knit-2116465
How to knit videos
Learn How to Knit
Where To Buy Wool
Michaels craft stores and some dollar stores usually have a good selection of colours at competitive prices. Thrift stores and garage sales are also good places to find wool as many knitters start ambitious projects like afghans, sweaters and blankets and then abandon them.
Learn how knitting can help with depression, anxiety and chronic pain.
https://www.marthastewart.com/1526670/knitting-can-reduce-depression-anxiety-and-chronic-pain