Unimproved AQo Vs. Lead

The replies are confusing me. On one hand, you guys are saying that my hand looks like a steal because overpairs don't raise here, so I'm likely to get called.. then you say I shouldn't raise here with an overpair? Why not if it will look like a missed hand and get a call?

Also, why do I want to call here with an overpair if you're also saying I can call to "take it away on the turn" by representing strength? Shouldn't I play AQ/ and AA/KK the same way each time?