The analysis of your competition by Official Store is the key to knowing what tools they are using in MercadoLibre.
Verify if your competitors use MercadoPago, Free Shipping, and MercadoEnvíos.
Check what listing type is used by your competitors.
Access a complete overview of what is happening in the categories you want to be the best at: price, units sold, and sales.
Research about their visits, conversion, stock, number of days listed, exposure, among other details.
Remember that all this information can be exported to Excel!