Spending $44M on 4.3 projected fWAR is pretty much exactly the going rates for FAs, not a mix of FAs and homegrown assets.
That's a barely above average unit, and it is going to cost roughly 1/3 of the entire opening day payroll.
We are about to see whether or not AA can make the Rockies 2018 model work for the Braves in 2020. Folks around here have been clamoring for the Braves to spend big in the BP for a while now. They got their wish. Hopefully they were right.