I think you should get your PPL before you make any decision to 'make this your career'. You can knock this out while still going to work. Once that's done, consider popping the instrument and multiengine certs in quick succession.
If all goes well and the wife is onboard to work and finds something steady that can pay the bills, then go full bore into commercial, CFI and knocking out the 1500 hours as quickly as you can. At this point the sole focus needs to be getting on with a regional.