Bond business would not be capitalized unless it is the name of a specific business.
You would go to your state licensing department to register for your business license. Then for a bond, you can do a search online for janitorial bond or cleaning business bond. There are many out there and they are not expensive.
Yes, incorporated should be capitalized if it comes after a business. For example, and incorporated company calling Writing would be written "Writing, Inc." If you are just talking about incorporations in general, not a specific one, then you would not capitalize it.
No, "market produce" in the sentence would not be capitalized unless it is part of a proper noun, such as the name of a specific market or business like "Bill's Market Produce."
Course names are capitalized when one is referring to a specific course title, the actual name of the course. Ex. I am taking Physics 102 Ex. My favorite class is American History during fourth period. Course names are not capitalized when referring to the SUBJECT studied in a certain course. Ex. I think that math is a littler harder this year. (Your actual math class might be Probability and Statistics, that would be capitalized) Ex. My business class was really difficult. (You would capitalize "Modern Business Organization, not just "business". letters
No, but if you named the purple amethyst Shelly, then it would be capitalized.
No, first frost would not be capitalized
Yes, it would be capitalized
No unless it is at the beginng of the sentence
No it shouldn't be capitalized.
Yes, PC would be capitalized.
Yes, Siamese would be capitalized.
They are not proper nouns. They would not be capitalized in a sentence.