I am thinking of buying a new flat bed 6'x12'utility trailer to carry my 2000 lbs (max) cargo. The store carries both single axle 3500-lb load capacity and tandem axle 7000-lb capacity (only $200 more) trailers. Both have exact same trailer bed dimesnsion with 15" tires. I want to go for a single axle since it is rated to do the job. But my wife is worried that if a tire blows out on a single axle, it would be a disaster. She's telling me to get a tandem axle (4 wheels) even though it is way over rated for what we intend to use. We will be using less than 10 times a year. I just don't like the idea of pulling the added weight and maintenace (2 more wheels to worry about) of tandem axle. I've pulled other trailers for last 10 years and never had a flat or blown out trailer tires.
What's your opinion in this kind of situation?