Dollar Tree, which sells most products for $1.25 and a small selection of items for $3 or $5, will stop selling eggs at stores because the company can't make money offering them at flat prices. SNIP Egg costs jumped 38% for producers annually in February and 55% for shoppers, although eggs are beginning to get cheaper. The average price for a dozen Grade A large eggs was $4.21 in February, according to data from the Bureau of Labor Statistics. Most retailers have raised egg prices on customers to adjust for higher costs, but Dollar Tree doesn't have as much flexibility...