I saw the title and thought WTF? because I spent time doing professional tech writing and I don't see how it would help on Tapas. Basically I explained technology to the non-savvy without jargon, and I wrote user manuals and help files and the like.
But after reading your post, I feel you, OP.
That said, some of the comments above are pet peevish and pedantic, and I'm very afraid of discouraging writers whose English isn't perfect. My grammar skills are top notch but there are storytellers here, who are not so polished, whom I'm envious of. We all have different strengths. Also, because I'm raising a dyslexic child, I know how genuinely hard "writing correctly" is for some people... boy has that been a humbling experience.
Besides, I've read through a whole lot of technically correct writing that's about as interesting as watching pennies tarnish. Pick your poison.