The text you've provided is mostly grammatically correct, but there are a few minor issues and areas where it could be improved for clarity and flow. Here's a breakdown:
1. **Punctuation**: "set it up few days back" should be "set it up a few days back."
2. **Clarity**: "I will just keep doing my" seems to be missing something, perhaps "doing my best" or "doing my thing."
3. **Conciseness**: "the trick to earning big" could be simplified to


