the only thing you can do with out buying anything is to turn your air filter top upside down, But a good tuneup will help a lot.
Buying anything on site dealership is always better, especially for vehicles. There, you can check for any damage better on site than online, and you'll have the opportunities to ask for questions.
u cant
Some money, as with buying anything.
No.
"Apart from buying anything" translates to "E ese mai i le fa'atauina o se mea"
Fold them
This site does not sell anything. It is a question and answer site, for information, not for buying anything.
Commerce (Novanet Answer)
not buying anything
There can be as with anything else, cheaper is not always better. Cheap tires may not last as long or may cause unstable handling of the car if they are not even.
Well, you could try.. Buying some drawing books and copy from them. (Amazon is good for book-buying) Practice!! Use better materials. I dont know anything else.. I started drawing Japanese Anime/Manga, and i am way better now i have a drawing book, I find copying the drawings is easier than drawing all the grid/stick people drawing thing.
No, I'm afraid, not without buying anything.