You may never get really famous, even after the tour. But the tour may BECOME your day job. Get it? If you have the chance to tour, you've been working hard at two things: Your day job and your real passion.
What is your day job? Is it also a passion, or even a mini-passion? If so, you wouldn't be giving up anything by not doing the touring; you'd just be choosing.
Or, consider that you may be melding them together by touring and leaving the job (i.e, making the tour your new, only job).
Or, ask the job if you can go part-time? or if you can take a leave of absence? I don't think (by the way you asked the question) that you are considering NOT doing the tour, but just in case, let me say it: do the touring if you love the music.
There's never a right time, unless the time is right to tour. Now. Which is what I think you said.
:)) Good luck.

You only LIVE once on this earth. So what if it turns out that it was a mistake. Just don't look at it as a mistake, look at it as an adventure. Another notch under your belt of experience. You can always go back to getting a day job, if you really want to. Good Luck!

I don't know that there's a stock answer to this question. Quitting your job is a big step. Most people need a day job to keep money coming in even when their real passion or dream job is something like creating music and touring with a band.

Only you can decide what's the right move for you, based on your financial situation. There's no doubt breaking into the music business is tough and not doubt more people will hear your music and potentially become fans if they hear your music.

It's one of those chicken and egg things or catch 22. You can get more fans until you tour and you can't afford to tour until you have lots of fans buying your music and merchandise.

Is there a way to finance what you want to do? Do you have any "wealthy relatives" or "benevolent patrons" who would like to fund what you want to do?

Can you think of other ways to get the exposure you're looking for? Will anyone put you on the radio, do you have a MySpace page or a YouTube account where you can post what you're doing?

Are you making your music available for download wherever you?

Have you set up a friends page on Facebook?

Think about all the free and low cost things you can do to get your music out there and then think about what you can afford to do to get out on the road and get more people listening to your music.

Good luck!!