Should I keep my grain at home or use a warehouse, and which loses less?

Both home and warehouse storage can work; what decides losses is how dry and clean the grain is and how well the store is managed, not just the building. Home storage in clean, airtight drums or hermetic bags is cheap, lets you check often, and can keep dry grain pest-free for months, which suits small quantities and grain you will eat or sell gradually. Its weak points are damp floors, rats, and reinfestation from last year's leftovers, so sanitation and dry, sealed packing are essential. A managed warehouse is built for bulk, keeps grain off damp floors, controls rats and insects on a schedule, and lets you store larger quantities you cannot handle at home; a registered warehouse can also give you a warehouse receipt to borrow against and avoid a distress sale. Its costs are the rent and transport, and you still depend on the warehouse following good practice. The first rule for either option is the same: dry the grain to safe moisture and store it clean, because wet grain rots and gets eaten anywhere. As a practical split, many farmers keep household and short-term grain at home in sealed bins and put larger marketable surplus in a warehouse. Compare warehouse rates and check the store is well managed before deciding. Verify safe moisture and local warehouse options with your KVK or agriculture office.