Can I legally sell samples of cosmetics to my customers? I.e. if I buy cosmetics from the store, can I sell samples of it?

Depending in the product you will also face regulatory issues. Consult with an attorney first.

Is a company's code of conduct an agreement between the company and the employee.

Depend how it is worded. Most are policies only and expressly say that they do not change their at will nature of employment and the fact that...

Can a California State employer transfer my position without my consent?

Unless you have a contract or union provision requiring certain positions, your employer can move you around at will.

Successor trustees rights to have key to deceased parents mobile home in Nevada after sibling was evicted owing rent.

The trustee with proper documentation should have control.

Talk to your employer's attorney rather than doing this on your own.

That is a factual question. Address it with the employer's attorney.

If I file for a C-Corp in Delaware, and I live in California and have users in California, but I am pre-revenue...

You are over thinking liability both In this question and your prior one. You have a California connection and you will have a hard time, and...

No. A close corporation is specifically setup as such. Different rules.

If I file for a Delaware C-Corp and I operate out of California, can I successfully file for a certificate of status without a..

Unless there are specific business reasons for Delaware, just incorporate in California and spend the money you would have spent on Delaware on a...

Uscis immigration

Not an issue assuming you are able to provide plenty of "proof" of your valid marriage. Congratulations and good luck.