need advice from the members

this is my html template :

We would like to convert this in to WP with the following features.

  1. layerslider WP plugin (90 $ )
  2. Visual Composer WP plugin (170 $)
  3. WPML Compatibility
  4. Accura Food menu Plugin WP (130$)

My question is : Currently it has 200 Html sales.

  1. Is it worth of adding above plugin for this template.
  2. Can i get the investment back.
  3. What could be the no of sales ? we are very curious.

Acuura themes.

you should check the competition?