You don't need a second team in your second base, mate. At least not so quickly! Your dropship will be able to reach even distant crash sites. Try to focus on building all radars and hangars you need at a base first, as well as getting enough interceptors to down as many UFOs as possible. Also vehicles are luxurious goods, you can easily get by without them so if you are struggling with finances that's an expense you can cut.
If you want to maximize income and you think you can handle GC well enough not to lose too many soldiers, you will want to grind through as many crash sites as possible, using airstrike only when you can't reach the downed UFO in time before it disappears.
My usual setup for second and third bases includes only radars and hangars.