I work freelance from home.

我是在家中工作的自由职业者。

《牛津词典》

I work freelance.

我是自由作家。

youdao

I work freelance.

我是个自由职业者。

youdao

I have a lot of free time. I do freelance work actually

我的闲暇时间很多。其实我是自由设计师，

自由职业者的生活 - SpeakingMax英语口语达人

Disclosure: I have done some freelance work for The Times, part of New International, in the past.

FORBES: Rupert Murdoch Is Not A Fit Person To Run A Major International Company

Despite feeling terrified, in April 2012 I made the leap into freelance work and spent a number of months accruing steady contract gigs as a digital content producer and writer.

BBC: How we quit our jobs to travel: The digital power couple

In fact, like plenty of people in the freelance pool, I routinely do work for nothing, or for reputational gain.

FORBES: Six Ways to Embrace A Low Paid Future