That's probably sort of true, but that would only undermine your reputation with a minority of your readership. And over time your grammar/phrasings etc would improve.
You could speed it up by having an editor review your work and that way you can also have confidence your reputation isn't going to be undermined.
It doesn't necessarily have to cost money to get someone to offer a second pair of eyes. Could be a friend or interested party. You could add an attribution "Edited by <name>" so they get something out of it perhaps.
It's pretty common amongst webnovels, translations, and fanfiction for an editor to help out and get attributed.
You could speed it up by having an editor review your work and that way you can also have confidence your reputation isn't going to be undermined.