Not to say you cant paint and do a good job ......I have painted all of my cars.
For the cost of equipment and supplies ...unless your set up...You need to ask yourself is it worth it ? and of course the time, who has time to spare ....?? Also the new laws in this state will require you to be a licensed body shop in order to buy paint thinner etc..
The last car I did was a 1990 Lincoln MKVII LSC/SE....Black on black on black on black...black and black.
I pulled the black trim, bumpers, glass, lights etc....East Side Autobody in Vineland NJ did the paint and coach work ..and a week later......WOW.
Buy the way ...he specializes in Mercedes....
So …really I got a better job in less time And for what I paid for shop time ….that equals a show finish ...
And you can still say...
"Yea...had it done myself..."

I've driven about a million (literally) miles over the years and my favorite "paint job" I saw was in the bad part of town in Louisville, KY. Back around 1991.

Full-size van, totally covered on the OUTSIDE with indoor-outdoor carpet. Could have been covering some horrible work underneath, but the only "logical" reason I ever came up with was...

The owner was obviously a drunk, but could always find his van, even with his eyes closed.

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raMBow

1999 E300DT Obsydian Black Metallic, Heated Full Leather Parchment options, E2, K2, 136,000+, best 36.5 mpg - GP's 12-04 & 11-12 Zero Stuck
2010 Honda Odyssey - The BrideMobile - best 26.5
(2) 2005 Honday Accord- (1 -Corporate 1 - Personal) - 110,000 4-cyl 30mpg
2000 VW Golf GLS TDI, Upsolute Chip (sold to Brother, now 300+k on it) 48.5 mpg like clock work
1987 Honda CRX HF - Sold 87,000 always over 50 mpg Max 67 mpg