12000 pounds
The Cessna 208 Caravan, will carry up to 14 people.
Very simple: You can't...
The latest version with Edo floats costs about 2.5 million dollars.
Cessna Caravan 675 $1,969,050Cessna Caravan Amphibian $2,291,550Cessna Grand Caravan $2,071,225Cessna Grand Caravan Super Cargo Master $1,812,500
The maximum payload of the 2014 Dodge Grand-Caravan is 1540 lbs..
The maximum payload of the 2011 Dodge Grand-Caravan is 1540 lbs..
The maximum payload of the 2013 Dodge Grand-Caravan is 1540 lbs..
The maximum payload of the 2012 Dodge Grand-Caravan is 1540 lbs..
The amphibian Caravan is better if you plan on landing in the water, otherwise skip the floats and go standard landing gear.
The advantages of having a cessna caravan would be that if you had a pilot license or a pilot you could get to places very quickly. It's also cheaper in gas.
There IS NO Cessna model 280. The Cessna 208 Caravan is a single engine turboprop aircraft that is popular as a freight hauler and with floats installed, a small utility seaplane. Airplanes do not "produce money". They COST money to operate. In a commercial situation, it is hoped that an airplane can bring in (earn) more money that it costs, but there are no guarantees.
208,000 meters.