Godaddy are notorious for making it very difficult to transfer domains away, so you'll have to make sure that the points below are all in order before you sell the domains.
Check the email address in the whois of the domains. It's via this email address you'll have to confirm the transfer, if it isn't correct any more you have to to update it.
Domains will have a transfer prohibition activated by default, this has to be changed using the control panel before the domains can be transferred.
Godaddy have a 60-day "block" policy: if a domain has been with godaddy for less than 60 days, or if you have made changes to the owner data in the whois in the last 60 days, the domain can't be transferred.
The link belows give details for transferring a domain to enom, points one to four will apply regardless of where you're transferring to.
Stilbaai Property