Then an honest reply, brother to brother, heart to herat.
Instead of CF'ing the entire ride, ask you parents to get the car repainted, you would save a lot of hassle and trouble, trust me the idea of losing 50k is utter BS, infact if someone sees a good enough paint job on the car, they might pay a little extra.
But then again i WONDER WHY people buy their cars in the first place when they dont want to use it for themselves and instead save it for the utter jahil buyers who would come and say, paii menu gaddi di lait ( light ) lagda ae change huwe we ei. Bloddy hell, the mentality of people here.
We buy a car for our own pleasure, so that it could drive US from point A to point B, so that it could put a smile on OUR face, so that WE could work on it for OURSELVES, not for some buyer who might even not be born yet.
So i say you do what your heart tells you to, no need to dive into it all at once, take it step by step, you've used some entry level products, now its time to move on, but before that get a new paint so that atleast you have something to work on.
I also started with cosmic and armourall products, because i was too young for my father to give me the expensive detailing goodies he had, but eventually mashALLAH sey look at my collection now.
Take is one step at a time, we're always here to help.
Aham 
InshALLAH he would get the car repainted and start working on it from scratch, and we have to help him, ive tried to tell a lot of people that gari hamari hamarey liye hoti hei, kisi potential buyer kay liye nahin, i hope he gets this into his brain and get the 50k loss out of there, which wont happen anyway.
This is a great deal, @ margallar, get this man, you can use this on your other cars, and give in a review about them, since no one has given a detailed review about Step1 and Step 3
I've done it for Step2.