i deleted almost all my apps and deleted messages and everything and bought more storage and it’s still saying i have no storage left

You can't buy storage for your phone, it is a fixed size.

The difference between phone storage and iCloud storage -

https://support.apple.com/en-us/HT206504

Freeing up storage space on your iPhone.

Here are some helpful articles that can guide you on how to free up storage space on your phone.

How to check the storage on your iPhone, iPad, and iPod touch

https://support.apple.com/en-us/HT201656

Manage your photo and video storage

https://support.apple.com/en-us/HT205703

Clear Other storage on your iPhone or iPad

https://support.apple.com/en-us/HT211686