If you are in a bona fide marriage with your new wife and are otherwise eligible (no past immigration issues relating to the previous marriage or criminal issues), then you should be able to adjust your status in the U.S. Speak to an attorney for a full evaluation, to be certain.
Is the employer profitable? It sounds like a legitimate company, but one of the primary requirements in employment-based sponsorship is that the company must have the ability to pay the prevailing wage from the priority date. This is an issue that a number of start-up petitions run into, so this would need to be evaluated closely. The company can use net assets or income to meet the ability to pay requirement. This is just one of a number of variables to consider prior to embarking down the...
"I didn't do two separate petitions because I know that since my daughter is a minor, she would be included in my wife's case once approved in Ciudad Juarez." No, there are no dependents on immediate relative petitions.
You do not need the Immigration Service to marry. You may need to work through them later if immigration benefits are sought, but not if its simply a matter of marriage. If you have questions about marriage, speak with an experienced family law attorney.
You need a confidential discussion with a licensed and experienced attorney. Most of us are available by phone and Skype. He or she will be able to give you time estimates for the federal records, as well as discussion whether an I-102 or other proof of admission are relevant. Route I-601 is not the preferred highway.
Depends on what your immigration status is, what immigration benefit you're applying for and whether there has been or will be an admission of committing the crime or the crime's essential elements. Discuss with an immigration attorney.