Given the inflation in hand it is better to get the big chunk up front and buy gold with it.
100% agreed, only took 60+ replies to get here!
On the precipice of a fiat to PM financial system RESET, anything she'd buy with $1000/week, or a lump sum converted to stocks or bonds or whatever, the best thing would be converting a lump sum immediately to gold (or gold/silver mix), with a plan to keep the stack safe over the years. The stack would never be sold for fiat dollars, but retained for the following system when it emerges.