Retype this paragraph using a variety of compound, complex, or compound-complex sentences in place of the simple ones. some sentences may remain simple, but the paragraph should flow smoothly. be careful about purchasing expensive items. is the item really a necessity for you? will you actually use this item often? are you just buying it to stay "with it" socially? do some research about available varieties. do some research about cost and reliability of various brands. you don't want to be stuck with a "lemon." you should also consider the cost of running the item. it may use a lot of electricity or gas. you may then have even more expense than the purchase price. these are just a few things to consider. buying an expensive item requires care.