can you contact the supplier of your pump and insulin? Sometimes they have programs for people who are struggling.
Walmart also sells generic insulins for lower pricing, which may be an option.
Hope you are able to work something out.
I have received free insulin and supplies from my local diabetes association
You can also contact the pharmaceutical company that makes your insulin. They have patient assistance programs.
Ask your doctor for samples.
Go to the health department in your county.
Don't be afraid to ask for help.
Which pump do you have and what supplies are you looking for?