I wish the best for OP but I really wonder if advertising your one-man-SaaS to the wider world is a good idea. Especially on a forum like HN where competent people are few clicks away from stealing your idea.
* Very few startups, probably a infinitesimal number, are overnight successes. Startups are actually a long grind. There are a lot more lows than highs and the lows tend to be really low. The effect is even worse when you go solo. It took the author 5 years to breach the 5K MRR ceiling. That's a long timeframe and it takes a great amount of fortitude, patience and persistence to stay focused, keep learning and handle uncertainty in the face of lack of visible progress (you are actually learning even in failures but it often doesn't feel good).
Getting mentioned on forums like HN is exactly how a business like this gets more customers.
And it is even more work to, you know, actually (as in real life deploy) implement the copied business idea, and then to keep it running on an ongoing basis, showing up daily, even if not for a mad number of hours. This is the point where most of the glib talkers would fail, early.