The cost of an e-commerce website depends on numerous factors such as site complexity, desired functionalities, size of the online store, type of products sold, level of customization, and hosting quality. The total cost can vary significantly based on each company's specific needs and the necessary level of customization. It is therefore recommended to discuss with professional web development and e-commerce solution providers to obtain an accurate quote based on your requirements.

The cost of updating an existing website depends on several factors such as the site's complexity, number of pages to be updated, required level of customization, and type of content to be modified. The total cost depends on each company's specific needs and the necessary level of customization. It is therefore recommended to discuss with professional web development experts to obtain an accurate quote based on your requirements.

The cost of natural referencing of a website depends on several factors such as the level of market competition, required level of customization, site size, optimization difficulty level, and referencing goals. It is important to note that natural referencing is an ongoing process that requires regular monitoring and updates to maintain a good position in search results. Therefore, there may be recurring costs associated with maintaining natural referencing.

The cost of hosting a website depends on several factors such as site size, expected traffic, amount of data to be stored, and desired functionalities. The total cost depends on each company's specific needs and the necessary level of customization. It is recommended to discuss with web hosting providers to obtain an accurate quote based on your requirements.