How to customize the price sent to the marketplace?
Salestio synchronizes the price values according to the Shopify product page and Global Profile settings. To change the settings, go to Salestio > Profiles tab > Global Profiles.
“Price Mode” and “Price Value” are used to set the price rules for product synchronization. To set up complex price formulas, try using Price Templates.
Enable Smart Rounding to adjust the final look of the prices.
Full article: Global Profiles