title: WooCommerce - Increase prices of simple and variable products
body: <p>I would like to increase all product prices by some percentage in WooCommerce.</p>
  
  <p>May be using a hook (example: regular price 100$ + 10%= 110$ ) <strong>for simple and variable products</strong>.</p>
  
  <p>I would like to increase all simple and variable products price to extra 10% of the regular price.</p>
  
  <p>How can I increase prices?</p>
  
  <p>Thanks</p>