If you must travel to participate in the on-site interview, you will incur travel, lodging, and dining expenses. Be sure to inquire beforehand how expenses are to be handled to eliminate any misunderstanding. If you are to be reimbursed, you must save all receipts to document your expenditures. Informational Interviews are set up by you to obtain more information about a particular job or career field. These interviews are NOT for the purpose of getting a job or internship with that company, however a good informational interview may lead to a future opportunity.
Informational interviews are a good way to begin networking.