If a hit and run happens at a gas sation doe's the gas station have to call the cops? can they charge victim for video? a?

Tampering with a witness is a class C felony in Washington State. https://app.leg.wa.gov/RCW/default.aspx?cite=9A.72.120

Statefarm wrote a 500 $ check for me but someone forged my signature and cashed it before I received the actual check.

If you are the victim of a crime, call the police.

The DMV person was probably doing her job in accordance with applicable regulations. https://www.dhs.gov/real-id-public-faqs

WHEN A COMMERCIAL PROPERTY SELLS AT LIEN SALE, DOES THE STANDING TENANT HAVE ANY RIGHTS TO THEIR MERCHANDISE, IN WASH. STATE?

You can sue for replevin, etc. https://app.leg.wa.gov/RCW/default.aspx?cite=7.64

What if I believe the commissioner in our divorce knows my husband?

See Kauzlarich v. Yarbrough, 105 Wn. App. 632, 20 P.3d 946 (2001) where the court said the following: "The Code of Judicial Conduct (CJC) provides...

See https://app.leg.wa.gov/RCW/default.aspx?cite=59.18.085.

Why would a commissioner order hair follicle test when there is no evidence of drug history?

See http://www.courts.wa.gov/court_rules/?fa=court_rules.display&group=sup&set=CR&ruleid=supcr35. Also see...

If the judge hasn't made any discretionary rulings, you can demand recusal as a matter of right. The judge can recuse himself later anyway. ...

Someone signed my name on a bank document with additional fees added, how do I go about filing an action against them?

Small Claims Court information and forms are online: https://www.kingcounty.gov/courts/district-court/small-claims.aspx

What if I think there is a big conflict of interest with the commissioners that have been ruling in my divorce?

RCW 4.12.050 addresses disqualification by saying the following: "(1) Any party to or any attorney appearing in any action or proceeding in a...