How to create a content type with associated products and customized attributes? I am creating a little CRM at work and I have two content types:


Offers - with some text fields and references to users and companies.
Products - very simple with SKU, Title, Price


Now I want to attached some products to Offers and then alter their attributes like price, add quantity and then display all this as a view with the total amount of all prices sum together.

The final goal is to have multiple offers referencing products but with own price and quantity.

I hope this is not to confusing? I tried already entity reference but then I cannot at a custom price or quantity to those products.
You can use the Field collection module


  Provides a field-collection field, to which any number of fields can
  be attached.


And create a Field collection field (in your Offer Content Type) with a reference to Product and a field named quantity and other named custom price.

So in your Offer you can have many Products with theirs quantities and custom prices.