You'll find both free and paid resources below. I suggest trying a couple that interest you and sticking with them. No need to go overboard! :D

If you have any recommendations, feel free to DM me on Instagram or email me at linglongmandarin@gmail.com so I can share with others!

Resources

Follow my channels if you haven't :D
YouTube - https://www.youtube.com/@linglongmandarin
Instagram - https://www.instagram.com/linglongmandarin/

Get My E-books
Chinese Numbers: https://www.linglongmandarin.com/numbers

My favorite Chinese TV shows: 
https://padlet.com/linglongmandarin/shows

Dual Language Subtitles Extension:
https://www.languagereactor.com/

My favorite Chinese songs playlist: 
https://youtube.com/playlist?list=PLZ4bEca42G0QVl9J7Raktm_SbXs0u2a-4

Podcasts for beginner & intermediate learners:
Popup Chinese: http://popupchinese.com/podcasts
Coffee Break Chinese: https://coffeebreaklanguages.com/category/coffee-break-chinese/
Mandarin Monkey: https://mandarinmonkey.com/mandarin-monkey-podcast/
ChinesePod: https://podcasts.apple.com/us/podcast/chinesepod-beginner/id1489328856

My favorite Podcasts (for native speakers & advanced learners):
随机波动: https://open.spotify.com/show/094kLIbO9UsVRz0kpz0gAy
蜜罐吃书: https://open.spotify.com/show/5Np2P0rK6cDrdMGIjAwj3w
不合时宜: https://open.spotify.com/show/7BXwdUL50JtwalntfQBEmE
展开讲讲: https://open.spotify.com/show/5AyxeBKaGFxleNi47OvfEl
燕外之意: https://www.xiaoyuzhoufm.com/podcast/618c1f39b4bbc129609cf8b9
I also recommend the App “小宇宙“ to discover your own favorite Chinese podcasts!

Reading Resources for learners:
Graded reading materials: https://mandarinbean.com/
Graded News: https://www.thechairmansbao.com/

Chinese Recipes in English:
https://thewoksoflife.com/

Bilibili (Chinese YouTube): https://www.bilibili.com/

Tools

Dictionaries: 
Arch Chinese https://www.archchinese.com/
Pleco (Phone App): https://www.pleco.com/

Pinyin Chart (for practicing sounds & tones):
https://yoyochinese.com/chinese-learning-tools/Mandarin-Chinese-pronunciation-lesson/pinyin-chart-table

Chinese Grammar Wiki:
https://resources.allsetlearning.com/chinese/grammar/

Character Wiki (learn about building components & character origin):
https://www.dong-chinese.com/wiki/search