i am setting up a website to sell domain names with both a buy now button and a make an offer button. I will need pay pal as my payment method. Does

It looks like the rest of your question may not have gone through completely.  If you wouldn't mind letting us know the rest of your requirements, we will be happy to see what we can do.  If you are looking for how to have products in addition to custom amounts the following thread has a workaround to allow for exactly that:

http://www.jotform.com/answers/601808-How-to-accept-custom-donation-amount-along-with-other-products-in-PayPal-form