I am focused on the Overall Value of the camera (what is offered to me for the price?
I looked at used equipment to maximize the value received for the price paid.
A used Nikon D7100 can be obtained for $600.
A used 85mm 1.8 lens for $400.
Unfortunately, that chews up your budget right there, but the value is solid.
Now, to be frank with you, that kit would not be sufficient by itself. Most serious wedding photographers will own at least two camera bodies, maybe four to six lenses, two or more speedlights, two or three studio strobes, light stands, modifiers, and a suitcase full of odds and ends. They will know how to use all of it to produce professional photographs under widely varied conditions and venues.
They will probably have at least one part-time employee to assist, and possibly a secondary designated shooter.
They will probably have a fully equipped office, including the necessary editing software, bookkeeping software, appointment software, and incidentals.
They will be licensed (if required), insured (a must), and will have a business plan that works. They will engage the services of professionals such as a lawyer, accountant, and a financial planner as required. Their contracts will be prepared by a lawyer, and they will not try to skate by by using some internet freebie.
Self-employed small business owners are responsible for paying taxes, both the individual share and the employer's share, health care, liability insurance, equipment insurance, retirement plan, sales and use taxes, utilities, rent, groceries, transportation costs, and everything else.