Keep the teaching gig for a while longer, and put the money in the bank particularly if you are headed to Pinnacle. I suspect you could get an interview with them right now, as their website is showing 1000TT and 200 multi as their prefered minimums. However, the rumor is they are starting to look at people with lower time than that.

It never hurts to have choices in life and it sounds like you'll have plenty if you keep building up your time before going to the regionals.