Talk from your personal experience only, if possible.
Hi,
Do not worry about your failure. Nothing in business starts asap.
You can do part time work in Teaching & Consultation, In consultation you will have to identify the niche.
And in the remaining time you can re - focus on start up or new idea. Hope to achieve goal is most important.
Keep in mind that you have Re start your startup
If you want any help you can get in touch.
Best Luck !!