DIY bed builders struggle to find affordable, reliable slat materials that won't sag or break under mattress weight

People building or repairing beds face uncertainty about which wood types and thicknesses will actually support a mattress without sagging, warping, or failing prematurely. They're searching for cheap solutions but don't have reliable guidance on material specifications, leading to wasted money on inadequate materials or expensive trial-and-error. Current solutions (generic furniture guides, trial-and-error) don't provide specific, tested recommendations for budget-conscious builders.