6/ Adopt Knitting as a new hobby
Back in the day, you sew clothes instead of just going to the store to buy them. Furthermore, people tend to make their own blankets, scarves, and even gloves. Many fans of the cottagecore have been trying to adopt knitting in their free time. If you simply don't have the time, perhaps you could get some knitted goods from the local store or Etsy to decorate your home.
