Dealer usually will not count the pot at our home game, unless someone has misplaced a bet (bet out of turn, raised less than the bb, put an incorrect number of chips in) and everybody is mixed up. Plus, counting the size of the pot ain't that hard with practice, unless every hand goes 4-5 handed. Just focus on the first bet on the flop and multiply by the number of callers (or raisers and the number of chips they raised) then add up to the preflop potsize (something anyone can easily count). Do this every street and you should never make any mistake. Also, if you never prepare a bet or look at your cards before it's your turn to act, you insure that full attention is given to the current bets/raises of the street, so another point in favor of wiating.
You can always ask a player how much he has in front of him. Be wary to do it when it is your turn to bet.