What's it like doing a JB grocery run on the weekend?

Been doing it for years with the family. The value is undeniable, we do groceries, the kids' haircuts, a nice cheap meal, sometimes a massage, and pump petrol before coming back, and it all adds up to real savings versus Singapore prices. The experience is part errand, part family outing. The downside is purely the jam and the unpredictability at the checkpoints, that's the tax you pay. My hacks, weekday trips if you can swing it are far smoother than weekends, go early, and factor the queue time honestly into whether the savings are worth your day. Also keep your car tank three-quarters full leaving SG, that rule is enforced. If you enjoy the food and outing aspect, the jam is tolerable. If you only care about pure savings, calculate whether hours in a queue really pays off for you.

Regular JB weekender here. Honestly the savings are real, groceries, petrol, dining and services are significantly cheaper with the exchange rate, a family can save a good chunk on a big grocery haul. But, and it's a big but, the causeway jam can be brutal, especially weekends and holidays, you can lose hours crawling across. My tips, go very early morning or off-peak, avoid public holidays and long weekends entirely, and have your immigration formalities smooth. Watch the fuel rule, your Singapore-registered car tank must be at least three-quarters full leaving Singapore. Bring the right documents, use the apps for traffic, and don't overbuy chilled or frozen stuff if you'll be stuck in the jam for hours. Done smart, it's a worthwhile routine. Done on a bad day, the jam eats all the joy.