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I wouldn't, really. It's my second language and although I still have problems knowing words and getting grammar right at times, it's such a nice flowing language with lots of variety and expressions. I often find myself thinking in English.
Maybe if some ugly dialects went away... ;p there are...
Although Swellow was more useful on a team I had, I think Pidgey's line is the best. Pidgeotto still has the best looks out of all the early birds and it's balanced and neat.
I would think common trainers earn their money from winning battles. And the gym leaders and professors get their money from sponsors and/or the Pokémon Association.