Polo 6n Budget Build

Hey everyone, pretty new on here but I brought a 6n polo and found every time I researched something the right answer is on here. So I made an account and made a build thread because it may help people with what to and what not to do on your polo. My situation is that I'm a 19 year old who has moved out with 2 car guys and one of them knows a thing or two. Plus we have a garage with a pit. So I brought the car for £300 from my friend with 95000 miles on the clock. On the first day I had a look underneath at all the rust and noticed that the car wasn't the worse it could have been so I sorted that into a week. Next came the colour. It came in this green