seriously… fibreglass… how big are your holes? I used maybe a 1/2 baseballs worth (volume wise) of bodyfiller (bondo/spot puddy) on the entire car;
longboard is your friend, freehand paper+palm is not…
learning bodywork can be tough, be ready to walk away, and look from many angles, and learn about primers which can make a huge difference
that is a 3 stage paint or what? black/purple/clear?