Group buying can be a great way to save money when products, including purchasing bulky or heavy products.

However, shipping items such as furniture, appliances, gym equipment, or building materials can often incur significant expenses, which may impact overall savings.

Here are some things to consider:

1. Transportation:
   One of the most important considerations when group buying bulky or heavy products is transportation. Depending on the size and weight of the product, it may be more cost-effective to transport the items directly to each participant or to a common place where participants can pick up their items. In some cases, sea transportation may be the best option, as it can save money on transportation costs.

2. Delivery and pick-up:
   When organizing a group buy, it's important to consider how the products will be delivered or picked up. Will participants be responsible for picking up their items, or will the group provide delivery services? If the group is providing delivery services, it's important to consider the cost of hiring a delivery service and whether the cost will be divided among the participants. If the item that requires pickup, it's important to establish who will be responsible for loading the items onto the vehicle. Additionally, it's helpful to schedule a specific time window for the pickup to ensure that everyone involved can coordinate their schedules accordingly.

3. Storage:
   If the products will be delivered to a common place for pick-up, it's important to consider storage options. Will the group need to rent a storage space or utilize a member's garage or storage unit? It's important to ensure that the storage space is secure and can accommodate the size and weight of the products.

4. Communication:
   Effective communication is key when organizing a group buy for bulky or heavy products. It's important to establish clear communication channels and ensure that all participants are informed of important dates, times, and details regarding the group buy.