These Godaddy UK voucher codes got me .com for $7.48 the cheapest I have found yet. At checkout use "POSTER412" and press apply to get .com's for $7.48

Here are some other Godaddy UK voucher codes that used myself that work as well:

POSTER20H1 got me 20% off my hosting packages

POSTER125 gets you 25% off on orders over $100

POSTERSSL saved me 50% off SSL STANDARD CERTIFICATE

These other Godaddy UK voucher codes I havent personally used them however I did check to see if
they work ( They DO )

POSTER410 get you 10% off any purchase order

POSTER411 gets you 20% off orders of $65