If liability protection is the driving force, form a new LLC. If the businesses are related, forming it as a subsidiary of the current company...

Should I use a professional to trademark my logo?

Engage IP counsel to assist. In addition to the assistance now, it will be good to have IP counsel in your list of business contacts.

What is the best option to open/buy a franchise (Jimmy John's) as: 1. LLC 2. sole proprietorship

LLC. Consult with tax counsel or a CPA to determine if the LLC should be taxed as a disregarded entity, an S Corp or a C Corp.

Which would be the best state to incorporate ( LLC?) if a Social Media Website Business? Would I have to register in WA?

I would start with Washington and consult with a Washington business attorney. Other jurisdictions could be considered and Washington counsel...

Can I doing online business or home business like nail salon at home in WA? If i do the tax at Canada?

You should consult an attorney familiar with immigration law for those issues. Business in WA needs to be registered and the appropriate licenses...

Conversion from a foreign entity to a Washington entity has recently been simplified. A review of the Washington Secretary of State website or...

Should he seek an attorney or let the ins company handle everything.

Hire private counsel that will work with the insurance company's attorney.

Which business structure should I choose?

You should form an LLC and speak to your tax advisor about whether that LLC should elect to be taxed as a disregarded entity, an S Corp or a C Corp.

When should I register my business

You should have your company properly formed with the Secretary of State and your corporate documents in good order before seeking funds.

Is there anything illegal about this, anything I can do?

Contact your credit card company. Credit cards offer excellent consumer protection provisions.