Unfortunately writing, especially fiction or subject passion journalism (video game reviews etc) is hit hard by what I call the "volunteer plague".

If people are willing and able to do your job for free as a hobby it immediately cuts your pay by 90% and dramatically increases the difficulty of attaining a job.

It also impacts other industries too.

First get a website or something going and start building your own portfolio. Send flash fiction stories to magazines to see if you can get anything published and learn from the editors feedback.

As Ben Croshaw said (paraphrasing): "Publishing content online is like putting a message in a bottle and throwing it in an ocean made up entirely of other people's bottles in the hopes that the SS Money-Ship will find yours specifically."

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A few very common jobs for aspiring screenwriters are: Agency/management assistant - This is basically working at an agency or management company, helping out the agents/managers. It's a lot of calendar upkeep, booking meetings, answering phones, maybe doing some script coverage. Great way to make connections, learn the inner-workings of the industry, and eventually get your script into the right hands, but these jobs are also famous for being very competitive and pretty brutal. Production Assistant (PA) - This is working on-set, doing everything from distributing scripts to running errands to getting coffee to relaying messages. Not a particularly glamorous job, but depending on the set you're working on, you're rubbing shoulders with some people that could be great connections in the future. Writer's assistant - This is specifically for TV. Here, you're basically in the writer's room on a TV show, taking notes, getting coffee and lunch for the writers, keeping track of to-dos, etc. Depending on the vibe of the writer's room, they might also let you contribute to the discussion a bit and even pitch a couple ideas for the episode. This is also a very coveted job, because it's essentially a direct line to becoming a staff writer in the next season or two if you do it well. Script Reader - I don't think this one is as helpful as the other jobs in terms of making connections, but could still be worth it. You're basically reading a huge stack of script submissions, and writing "coverage" on them, which is a short 2-3 page summary and report on the scripts to send up the ladder to the producer. It's a more isolated job and you're not making as many connections, but you do really get the pulse of the current market -- what's being written, what's getting attention, what's getting made, and what's getting passed on. These jobs aren't the only way to get a start as a screenwriter, but they're definitely the most common. Unfortunately, a lot of them are located in LA, and difficult to land in the first place. But if you can get one, it can definitely start off your career! More on reddit.com

Technical Writers are not just people who write good writing for tech. There's a format, a vernacular to learn and be able to hear/speak well, and several certs to look into.

Take a few udemy/coursera classes on this then head to github (learn git BTW) and look for open source code projects that need documentation help. Contributing to these (and getting merged) will serve as your portfolio.

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Check out the sidebar/wiki of r/freelancewriters . DO NOT POST there until you have more specific questions but it will definitely help you start your journey. More on reddit.com