Hi, I'm expert in woocomerce themes. I have made bigest changes than this for it's theme, in ajax, than here is just css and some html changes, I will do your work at a very good price, don't worrry about update, I will not update nothing, also if you want I can stop update for you, I will make a code. I hope you will award me, I can do a demo work for you. Many thanks :)