You should also consider whether you need to start another lab.
I would wager that one experienced researcher at $70k easily trumps 2-3 Masters students at $25k each. However, there are lots of mechanisms for funding studentships, but few for paying for experienced employees. The NCI had experimented with something like this, but there were maybe 100 positions total. This is a shame for many different reasons but seems depressingly unlikely to change any time soon.
The incentives are the same as starting another JS framework