JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
  <div>Товар</div>
  <div>Описание к товару</div>
</div>
<div class="clone-box"></div>

<button type="button" class="button">Копировать</button>

CSS

[id*="container"] {
    margin-bottom: 10px;
}

JavaScript

$(document).ready(function() {
    var i = 1;
    
    $(".button").click(function() {
        var clone = $("#container").clone(false)
        
        var cloneItems = clone.find("*[id]").addBack();
        
        cloneItems.each(function() { 
            $(this).attr("id", $(this).attr("id") + "_" + i);
        });
       
        clone.appendTo( ".clone-box" );
        i++
    });
});