Is form 2106EZ the correct form to figure the travel expenses from job 1 to job 2?

Is 2106EZ the correct form to figure my travel expenses, after I calculate the total mileage from my odometer, when traveling from job A to job B. Should I use part 1 and part 2 for this?

How much should I get back for travel expenses?

I do travel work and have accrued about $7000.00 just in gas and hotel fees this year. This is my first year traveling. How much of that should I expect back in the form of rebate on my taxes?
Let me clarify. I paid for the gas and hotel myself.

Deduct travel expenses from tripif photographing scenics & submitting them to stock photo businesses?

I’m a retired pro photographer and want to travel (with my husband as assistant) and take photos to submit to stock photography companies. Scenics, local cultures, wildlife, etc.
How much of my travel expenses can I legally deduct from my USA income tax? Opinions? Experiences?