Two weeks to materialize your idea...
munda.me
munda.me
But, if I can't continue the development... well, I use Javascript technologies. It should be easy to find another developer to continue the project ;)
In other words: Yes, it's negotiable.
I wouldn't worry about that too much. If you get a deal - which shouldn't be a problem as your price is very reasonable, even low - deliver it on time, maybe putting a little extra effort if needed, and use it as your first reference.
However, maybe I need to list all the projects in a 'portfolio' page.
Anyway, the idea is to highlight one or two of these recommendations, because "social proof" usually works well. See e.g. http://basecamp.com/ landing page.