A question came up and I thought it would be useful to talk about it. How do you improve the conversion rate on your website and increase sales without increasing your advertising budget? 

Often at the root of the problem are ineffective elements on the site that discourage users. One of the most important aspects is to analyze user behavior and improve user experience. For example, with A/B testing, you can try different designs, buttons, text on product pages and see what works better. There are services that help to improve conversion rates by conducting detailed UX analysis, testing different elements and giving specific recommendations. One such service is https://conversionrate.store/conversion-rate-optimization-services/. They specialize in conversion rate optimization and work on a pay-for-results basis. This means that if they don't achieve the stated result, they don't take payment.

I think a lot depends on which elements of the site need improvement. For example, you should pay attention to usability, speed of page loading, clarity of calls to action and simplification of the purchase process. Sometimes simply improving the mobile version of the site can make a big difference in conversion rates, since most users access the site via smartphones.