Originally Posted by BoilerUP

*IF* you are willing to accept the position, but not at the offered compensation:

Tell them you need more salary than $35k AND you need some sort of relocation package. Have numbers in mind for both.

If the offered package is non-negotiable, thank them for their time and consideration and tell them substandard compensation (NBAA 2012 Jet II Copilot median pay is $45,550, while 25% is $40,000) is the reason you are declining the offer.