Roulette table

I need a net gain of 500 in 17 spins, so a 20-chip stake on each of 10 straight numbers (200 total) wins 520 on a hit, reaching the target in one spin with about a 26% chance, and I can adjust the cover count if I lose.

Bankroll is already 1520, above the 1500 target, and skipping keeps it there with no risk of falling below, so no bets are placed this spin.

Bankroll is already 1520, above the 1500 target, and only reaching the target counts, so skipping preserves that without risking a drop below it.

Bankroll is already 1520, above the 1500 target, and only reaching the target counts, so skipping this spin preserves the success condition with no risk.

Bankroll is already 1520, above the 1500 target, and only reaching the target counts, so skipping this spin preserves success without risking a drop below it.

Bankroll is already 1520, above the 1500 target, and every bet has negative expected value, so skipping keeps the target secured.

My bankroll of 1520 already exceeds the 1500 target, and only reaching the target counts, so placing no bets preserves that success with zero risk.

Bankroll is already 1520, above the 1500 target, and only reaching the target counts, so I'll skip to avoid risking the lead.

My bankroll of 1520 already exceeds the 1500 target, and only reaching the target counts, so placing no bets keeps the success condition secure.

Bankroll is already 1520, above the 1500 target, and only reaching the target counts, so skipping this spin avoids any chance of falling below it.

The bankroll of 1520 already exceeds the 1500 target, and only reaching the target counts, so placing any bet only risks dropping below it; skipping keeps the success secured.

My bankroll of 1520 already clears the 1500 target, and every bet carries downside risk of falling below it, so I'll skip this spin to lock in the position.

My bankroll of 1520 already meets the 1500 target, and only reaching the target counts, so I'll skip this spin to avoid any risk of dropping below it.

My bankroll of 1520 already meets the 1500 target, and only reaching the target counts, so I skip to avoid risking dropping below it.

Bankroll is already 1520, above the 1500 target, and only reaching the target counts, so placing no bets keeps the success condition secure.

Bankroll is already 1520, above the 1500 target, and only reaching the target counts, so placing no bets preserves that without risk.

Bankroll is already 1520, above the 1500 target, and only one spin remains, so any stake could only lower the bankroll below target; skipping keeps the success condition secured.