Then you should be fighting against loans, grants and scholarships for illegals. Requiring them to pay instate tuition is not the same as paying for their tuition.
How about all the money their parents got for WICs, AFDC, EBT, etc.? Their being here has already cost the US taxpayer money. Disseminating the argument with specious equivocation about in-state or out-of-state is just avoiding dealing with the fact that these people are criminals, period.