Need Help Deciding What To Do With Car. Opinions Wanted.

Im having a tough time figuring out what to do here, id like some opinions from you guys. help me out.

Ive been daily driving my mustang (not in snow or heavy rain) for a year or so now, and before that it sat for about 6 months, and i was driving it frequently before that period. reason being is that i work 27 miles away from home, and i get atleast 24 mpg in it, where as my 07 f150 gets 15 if im lucky.

im getting ready to build a house on a lot of land i own but moving into that is a good 6+ months down the road. this new house of mine will be 40 miles from work, one way.

heres my dilemma. i rear ended someone in it years and years back and never fixed it (had liability only at the time). the front of the car is twisted. its not bad, you can visibly tell that the driver side is pushed back, and the paint is not right, but other than that its not an eye sore



if you look at this picture at the fog lights you can see the driver side one is pushed back



the headlight gap is all wrong



this is the driver side fender apron, after the accident i welded the tear there so it wouldnt spread



see how bowed in the apron looks on this side



vs this side



this is new too the door gap is all wrong on this quarter pannel and the rocker pannel piece is pryed away from the car



i had the car painted years and years ago, but it wasnt done right, we didnt pull the trim or headlights or anything so its not a great paint job. there are a couple of problem spots. like these two rear bumper extensions have paint chipping, one was repainted and dosent match, and the back bumper, i must have hit something so that back driver side corner is torn





i had subframe connectors put on a long time ago, but the car is sitting low on the back driver side. ive been underneath the car and i cant see anything that could be causing it, the torque boxes look ok, everything measures equal side to side, ive tried multiple springs, all bushings are new, ect, ect. there is a slight ripple in the unibody between the quarter window and back hatch, so i think the rear of the car is sagged or twisted.

my body shop says they can fix the front end and get it on the frame machine and figure out whats going on with my ride height issues for under 800 with no painting involved, but im thinking now they might be telling me the cars twisted once they do that

and to make things worse i went to check the oil today, and there was something peculiar on the dip stick. could be nothing, but could be bearings going bad or something. im changing the oil tomorrow and will check my magnetic drain plugs and ill let you know

i cant even wash this car without getting angry over how many little things are wrong with it. i want it to be right, and i love driving it every day, but more things are going wrong with it than i can keep up with.

the motor leaks oil from every gasket, and i have begun collecting parts to pull the motor and rebuild it with gt40p's, explorer intake, ect. the radiator slowly leaks, it needs tires, driver side door needs to be rehung with new hinges (already has new bushings and pins), and the ac is leaking freeon somewhere and i cant find it, the list goes on and on

i need some sort of gas mileage car, there is nothing wrong with my truck



aside from its mpg ratings

but ill soon be driving 80 miles a day and 15 mpg wont cut it, and there so much wrong with my mustang now im not sure if i should keep driving it.

ive got some money laying around so my options are
-buy a beater car (civic or something) for cheap, get good mpg, not worry about people hitting it, pull the plates off the mustang and park its ass. then i can get stuff fixed once i build my house with a garage, i can pull things apart and not have to worry about getting it back together to drive it
-take it to the body shop, and have them fix everything but the paint. get the front end straight, see whats going on with the ride height, fix that back bumper crack, basically get the car ready for paint but without actually painting it, put tires on it, and rehang the door. and keep driving it.
-pull the plates off the mustang, suck it up and drive my truck every day, and start fixing the mustang

the car has tons of nice suspension pieces on it, a great shape black interior, 125k on it and was my first car, ive had it for 8 years. i wont sell it, unless the body shop confirms its twised and will never sit right, then ill buy a roller and swap parts over onto it.

keeping that in mind, what do you guys think i should do? am i being too ocd? how do you fox body daily drivers keep from going nuts when you get scratches and things? any advice?