Al:

If your buying the script from them - make them an offer that you will buy it is they install for free. Most if not all software sellers will do this - they are usually hungry and want the sale. It will take them all of 10 minutes to install it for you.

Just make sure your server is configured and Ioncube Loader correctly installed and working.

Just use the ploy that their competion has offered to install theirs for free.

I have never seen one of the smaller developers turn that down