In 2019 I did my Inktober on Instagram about the topic of productivity. A lot of the tips I gave with those posts are helpful for artists and designers as well. Therefore I decided to post a best-of here too. I hope they can help you!
You can look through all my Inktober posts from 2019 here: https://www.behance.net/gallery/87529485/Inktober-2019-Productivity