As far as I know you can have: 

- up to 20 Pictures or videos in one chapter of your book

- up to 200 chapters in One Book you're writing ( - & some of My Book where I collect things Have that many ) 

- & up to 200 Books in One Reading List! :) 📖

( I don't have that many yet - but my friends told me that )

🔹 If Anyone knows about Any Other Wattpad Limits I haven't mentioned here - please tell me about them in comments,

Thanks :)