Freelance jobs vary in pay according to supply and demand. Higher paying jobs are usually those which are more difficult or require more skill and these will pay according to how much in demand they are. For a more full explanation of freelancing, check out the following website: http://en.wikipedia.org/wiki/Freelancer
Some high-paying jobs in engineering are chemical engineer, aerospace engineer, materials engineer, petroleum drilling engineer, and nuclear engineer.
There are a variety of high paying programming jobs that are high paying. You can major in computer science or related fields.
University prof.
Some high paying security jobs include Security Director, Security Analyst, Security System Designer and many others. Here is a website with some available high paying security job listings http://www.esecurityplanet.com/article.php/3653676
It depends on the type of education and experience you have. Some jobs are federal or state government jobs, or any specialty trade type of work is high paying.
I did some research and found a site that listed the most high paying cleaning jobs, the highest paying job was forclosure cleaning. The weblink is here: www.ezinearticles.com
There are many high paying jobs in the USA. Some of the highest include surgeon, orthodontist, allergist, dermatologist, lawyers, and engineers.
a BRAIN SURGENT OR ANY SERGENT
A couple of freelance jobs that are often available the whole year around are jobs in journalism, the cleaning sector, sales, architecture and engineering.
Some of the highest paying jobs would be involved in transportation such as a pilot. You can check more high paying jobs at the following site. http://www.superscholar.org/highest-paying-jobs/
Some high paying jobs that use computers are: computer hardware engineer, computer software engineer, database administrator, and systems analysts. Check out http://www.bls.gov/k12/computers06.htm to see more jobs that use computers.
Being a medical doctor is high-paying, and any town or city can use one.