I am trying to create a page on a Golf Cart site that will be called something like "what's my cart worth". I am thinking of just using drop down options for the questions (year, make, model, etc.), but also want to have a comment field for them to give more description along with their contact info. Ideally, they would also be able to upload images of their cart. I do not want to give instant quotes, rather just have all of their info sent to our email, or land on google docs or something. I have searched all through the Shopify App store and even chatted with someone at their help desk, but have had no luck. Anyone have any ideas?
From what you mentioned, I think Product Option would be an option; in this case, customer can upload their note or files along with the Product. However, all of them require a fixed price because the Product is already added to Cart.
I don't think there is an app that allows a negotiable price.
It would be better if you had some additional price for each option. Such as, if they want to add a custom Image, they will need to pay $5 additionally on the price. That is how the product option apps work.