Most pilots treat Bid Group 1 as their real bid — the one they actually want to get. They fill it out carefully, submit it, and hope for the best. But here's the thing: if PBS awards you BG1, you probably weren't asking for enough.
BG1 should be your dream schedule. The one that's almost unreasonably good. The four-day San Diego trips with weekends off and no red-eyes, stacked exactly the way you want them. If PBS can hand you that schedule at your seniority level, it means there was room to push even harder. You had leverage you didn't use. Maybe you could have asked for more specific layovers, tighter day-off patterns, or a schedule shape that truly fits your life — not just one that looks "pretty good."
Experienced pilots understand this intuitively. They build BG1 as a ceiling — the upper bound of what might be possible. They don't expect to get it. What they do expect is that the cascade from BG1 to BG2 to BG3 progressively relaxes constraints in a deliberate order. BG1 says "give me everything." BG2 says "okay, relax the layover cities but keep my days off." BG3 says "fine, open up the trip lengths too, but protect my hard dates." Each group is a controlled concession, not a panic button.
The gaps between bid groups matter more than any single group. If your BG1 and BG2 are nearly identical, you're wasting a group. If the jump from BG2 to BG3 is enormous, you've left a hole in your strategy where PBS might drop you into something you hate. The cascade should be a smooth gradient from dream to acceptable — not a cliff from perfect to disaster.
This is one of the biggest blind spots we see. Pilots spend 80% of their bid-building time on BG1 and rush through the rest. But your later groups are your safety net, your insurance policy. They're what catch you when the pool doesn't cooperate. TOGA builds the full cascade as a system — because your schedule isn't determined by your best case. It's determined by where you land when reality kicks in.