Proofreading Exercise $01$:

The theory behind the buyer$$s journey funnel is that whenever a person purchases anything $$ whether it$$s a bottle of water or a $$500$million oil refinery, they pass through five stages: unawareness, awareness of the problem, consideration of solutions, deciding between solutions providers, and the actual sale itself. The last two stages, retention and advocacy, are idealistic $$ not every person who buys something will come back for more, and they won$$t always tell other people about how good that thing is$.$ Although everyone will go through the first five stages of the buyer$$s journey, how fast those journey is varies from person to person $($and product to product$).$ Let$$s say you walked into a supermarket and buy a bottle of water because you$$re thirsty. When you first walked in$,$ you didn$$t realise you were thirsty $($unawareness$).$ Then your throat felt dry $$ your body$$s autonomic prompt to drink more. Now you$$re aware that you have a problem. $($thirst$)$ So you think about how to solve it$.$ Should you wait until you get home and have a glass of water? Wait, you$$re not going home for a few hours $$ better get something now. But what? A can of Coke? An iced coffee? No$,$ you$$re trying to be healthy. A bottle of water? But you don$$t like the taste of plane water. So you decide on mineral water instead $.$ FIND ERRORS IN THIS PARAGRAPH