New to roller trailer?

[eelman]

Launched the boat the other night just for a test ride but, when I took it out I noticed it was a couple inches off to one side on the trailer. Tried to push it over myself but quickly realized this boat is much heavier than the tin boat. Anyway my othe trailer was a bunk, to get the boat on straight, do you not back in as far with rollers? I didnt notice till I got home that it was "off" center a bit. Doing it alone, I cant see the back of the boat and bring it out of the water at the same time. I did buy those post guides but obviously it didnt help much...