The term ???a lot??? can be used as a noun to signify that you are talking about having a great deal of something, as in ???I have a lot of cookies???. ???A lot??? can also be used as an adverb when you want to say that you do a great deal of something, as in ???I make a lot of cookies???. The term is commonly misspelled as ???alot??? which doesn't mean anything. Some will misspell it as
Read more.... ???allot??? which is another word altogether. Perhaps you will find it helpful to review this grammar lesson at http://www.grammar-monster.com/easily_confused/alot_a_lot_allot.htm so that you will not make the same mistakes a lot.