Should i get a lawyer?

Stop "stressing out" and hire a local criminal defense attorney.

Can District Attorney (Santa Clara) obtain tax returns from IRS or through other channels?

The DA can certainly obtain tax records if relevant to an investigation/prosecution. There must be much more to this story....

I want 2 order hygiene b4 I go 2 jail & schedule 2 b delivered 2 me upon my arrival

You may have to use different hygiene products. Hope this works out for you.

Can someone demand compensation after they decided to not press charges with the police?

That's up to you..............when shall you both grow up?

With pleading to a wet and reckless will dmv reinstate my cdl after my manadate classes are done?

Are you referring to a Commercial Driver's License? Either way, it's a question you should have raised BEFORE pleading guilty and also one you...

Can I inform the defendants of the high legal costs of continuing with the case as a way to force a settlement?

You could tell them anything you want.

There is a 290 charge against me what can happen if i leave to Mexico?

Who told you this information......?

Sounds like a very bad idea. Destruction of evidence. Consciousness of guilt.

They simply ask the court to take judicial notice of the order.

Can a officer take photos of u ?

Yes, the police can take photos of you. Probably tribal police anyway.