Counterpoint, there are *lots* of hustles depending on how much you are willing to learn.
I dump my whole schedule before the month starts. Zero hours, zero pay. I then pick up day-of or next day trips as they come up due to sick calls, weather diverts, maintenance, etc. There are all sorts of trips that come up like this, but unlike regularly scheduled trips, these can be *very* inefficient for the company. As an example, I just grabbed a trip leaving tomorrow after dinner. One leg to Tulsa (1:07 hours, includes taxi), overnight, one leg back to DFW (1:25). That's 2:32 hours of on-the-clock time, but 10:30 hours of pay due to our minimum-pay-per-day provisions. 18 hours from the time I get to the airport to the time I'm back in my car driving home.
That's all I fly (mostly). One out, overnight, one back, legs of 2:15 or less. So when I get paid for 90 hours of work per month, I only worked 30-50 of those hours.
Now, you gotta live at the mega base to pull that extreme off, but my point is, you have options. And the biggest point, repeated over and over and over here, is that living in base *vastly* improves those options.
On my third year at AA, during a pandemic, I made (not perfect math):
$179k pay + $23k 401k = $202k
That's for 300 hours of actual flying on a *non-reserve* schedule, meaning I only fly the days I want and the trips I want. Away from home ~8-9 nights a month, no holidays, no Friday/Saturday night trips (unless the wife wants to come along).
The more you put into it, the more you get.