Fastap

Can the product sell? How much should I buy?The product information required for Sedori is simply displayed.[Sales rank]Fastap displays product purchase decisions by sales rank (6 levels in total).This is not only that the relevant supplies are sellingRefer to the number of sellers and the divergence rateThis is the result of a detailed analysis of "Can I sell the product?"Therefore, you can make purchasing decisions that reflect data that you have not noticed before, such as inventory risk.[Price drop rank]The number of items sold and the rate of increase in the latest sellers.Considering the rate of increase / decrease in the number of sellers going back in the medium to long termWill the price of the product drop in the future? ToIt is expressed in all 6 stages.How many inventories can you hold by looking at this?Is it okay to purchase in the first place? You can judge.