Originally Posted by pichlo

Actually, I take it back. It wasn't that bad. Only one major issue and a few minor ones:

1. Missing, "I bought the tablet and I do not want 3G."
2. (Optional) Missing, "I bought the tablet exactly because it has no 3G. I wouldn't have bought it otherwise."
3. In all cases, it should be "the tablet", not "a tablet."
4. In all cases, it should be "I didn't buy" or "I haven't bought", not "I didn't bought."
5. Consider removing options 5, 6 and possibly 7 from your original list. They are not all that different from option 4 (IMO, YMMV).