"After what seemed like an eternity, the kid finally ran out of juice. Literally. " - means "after a long time the boy finished drinking juice (the juice finished)" "Overcome by a paternal urge to pat him on the shoulder, but unable to find an adequate dry spot, I reached out with one finger and sort of ruffled his hair a bit." - father wanted to touch gently his son's shoulder (to show his love, maybe) but after thinking a little he decided only to ruffle his son's hair with one finger"

Lawn-Boy-2000 is a model of a machine that is used to cut grass. It is said: you will enjoy working with this equipment. If not - money will be returned to you. By the way, what kind or genre of text did you take this extract from? If it's a novel, it can not refer to a real grass-cutting machine but be a comparison or some literary trick :)

report = confess in this sentence

"oodji" from St. Petersbourg is not so bad either :). I have got 2 T-shirts from their shop - never felt any regret.

Por que preguntaste sobre el tiempo (en Espanol) y en Ingles escribiste "weather?" Weather es el clima, nada en comun con tiempo. O yo no entendi algo?

In general, you are right. "A little bit" is not used with quantities of substances, liquids, etc. However, "a little" can be used in both cases, even in your first sentence. F. E., This phone is a little (too) expensive (for me).