How many loads am I allowed to load at a time in Skills?

Am I allowed to load as many stars that fit unto the starting tile?

Depending on the time of you are referencing. Before a Match begins, you may load only 1 Star. Once the timer starts, however, you can load as many as you wish. This means even microseconds after the Match. The only Skills Loads you are allowed to load before the match is the one Preload Star

So, say if I had a side roller bot, I could drop all of my driver loads straight into the tray as soon as the match begins? Huh.

@Mr_L_on_Yoshi Only if your tray is within the starting tile.

No, only if your 'bot is touching the starting tile.