You are 18 even if you don't want to go to college there are plenty of opportunities to make more money. I work in a hospital where everyone is now making at least $18 an hour to start I believe for the non DR/RN jobs.If you are US based:Phlebotomy training 12 weeks or less and starts around 30K-35K depending on where you live

Job Corps residential training for 16-24 year olds to get a step up from HS grad money. Each sitehas different trainings and you can go to any site in your region. Your best options are the computer related training. Starting salaries are much higher

Electrical Alliance training to become an electrician you work and get pay and full bennies and take evening classes and Saturday classes. First year pays in my region over $20/hr with yearly raises and everything is paid for by the program except for the books. After 5 years you will have the equivalent of an AA degree (video for the Jacksonville, Fl program) Right now people who are doing the advanced Electrical Lineman type stuff are being offered incredible opportunities money wise in countries like Australia - you might find similar programs in HVAC and plumbing.

If you need money for college the Military or DoD (Coast Guard) all have the GI bill. A large percentage of jobs in the military are not front line jobs. You can study and retake the ASVAB if you don't do well the first time to have more opportunities.

A small life lesson people tend to get paid better when they jump to other positions or companies so don't be afraid to move on after a year or two