Magento 2 MSI helps the merchants to manage their inventory in more than one locations to accurately reflect their physical inventories without any 3rd party modules!
Implementing Multi Source Inventory in Magento 2:
- Source
- Stocks
- Product Inventory Configuration
- Salable Quantity
- Search Selection Algorithm
Learn about each step in detail at https://meetanshi.com/blog/magento-2-multi-source-inventory/