Our very first family car this was in the 80's - Ford Cortina, we had it body repaired. after 3 years, same issues became worse
Lesson learned - if the body repair is done outside the casa, post a for sale sign asap.
My second car - during the late 90's, second hand
Lancer. I wanted to make it fast... after all the mods. car had issues when idling with A/C on. tapos sobrang lakas sa Gas (especially for a college student like me). We decided to sell the car as-is after 6 months.
Lesson learned - keep the car stock as modifications will lower the car's value.
Third car - last car my parents gave me. using a car cover. - it damaged my car's paint!
Lesson learned - covered parking!