Don't blow everything on day one
The mistake I see most is simple: everyone gets excited and dumps their whole stash in the first round. Sure, it feels great for a minute. You see your team jump into the lead and think the job's done. It isn't. Once that first burst is over, you're left with nothing but a long road ahead. A better move is to split the load. Let two players do the heavy work early, and have the other two hold back. That way, nobody is stranded when the later races start to matter more.

Keep one pair fresh for the middle leg
When the second race comes around, the team should swap roles. The players who spent early will usually be running low, so now the ones who saved up can step in and keep the board stable. They don't need to do anything flashy. They just need to protect the lead, or claw it back if another team starts to creep up. This part is less about style and more about patience. If you've got a decent reserve, you can react instead of panic-spending. That alone saves a ton of flags.

Save something for the final push
The last race is where people get sloppy. The points are worth more, and that makes every move feel bigger than it really is. If your team has rotated spending well, you should still have something left in the tank. That's the goal. Don't trickle out your final flags one at a time if you can help it. Wait until your team is ready, then hit hard together. It doesn't have to be perfect. It just has to be timed well enough that the other teams can't easily answer it.

Finish as a team, not as four solo players
What usually wins these events is not raw luck. It's timing, discipline, and a bit of trust. One player going wild won't carry a team for long. Four players who know when to hold back and when to spend can make the whole race feel easy. That's why I like a simple plan: two go early, two save, then everyone comes together at the end and empties the board with buy cheap Monopoly Go Partners Event in mind, keeping enough pressure on the finish to stop anyone from catching up.