"I have over $15,000 invested. Asking $7500." -- there is no better money spent on any car than the previous owner's money and this next vehicle comes in at a claimed 50 cents on the dollar. Unfortunately you will need to put the car back together like a giant set of real life Legos. Find this 1972 Chevrolet Chevelle Wagon offered for $7,500 in Sanibel, FL via craigslist. Tip from Dascpcu. 
What is it about new cars that make people spend crazy amounts of cash on them? They sure do smell nice, but do you really need the latest gadgets, styling and license plate number? Or can you drive a 14 year old version of a similar car with only a few miles on the odometer? Like this 2003 Mercedes-Benz E320 here on eBay with 26,000 miles on the odo offered for $13,488 buy-it-now or make-offer in Upland, CA.
Find this 1980 Datsun 720 4X4 here on eBay offered for $9,850 buy-it-now or make-offer located in Fredericksburg, TX.
The third generation Ford Mustang was built from 1979 through 1993 on what is known as the Fox platform. Today's Mustang comes from the first year of the major restyle that saw the replacement of the original 4-eyes front end with the smooth aero look. Find this 1987 Ford Mustang GT Convertible offered for $3,500 in Pine Bush, NY via craigslist. Tip from Rock On.
Find this 1996 Honda Accord EX Wagon 5-Door here on eBay bidding for $4,750 reserve-not-met with $5,900 buy-it-now located in Richmond, VA.
Happy Friday -- time for another off topic episode of Coffee Brake. Go ahead, discuss anything you'd like -- ask questions, answer questions, or gripe about politics. 
The clownshoe shaped Volvo 1800ES isn't going to have its own dedicated room at the Petersen Automotive Museum, but it won't cost an arm/leg or need a team of specialists to start it up when you want to go for a ride. That sounds like the perfect car for your garage, because who wants to own a museum piece anyway? Find this 1973 Volvo 1800ES offered here on eBay bidding for $6,750 with 4 days to go, located in Boeme, TX.
It's sad to see what was once a cool, interesting and significant car become a donor. The Lancia Flavia, like all pre-FIAT Lancias, was an engineer's car, designed and built without regards to price, and Lancia lost money on every one sold. To me, this car looks too far gone to be restored, and being parting out is its future. A sad fate for a car designed by a Professor of Mechanical Engineering. Find this 1967 Lancia Flavia for sale on eBay in Book Park, OH for a classified ad price of $6,950.
In 1993 the Cadillac Fleetwood name was somewhat returned to its former glory when it was pulled off the front-drive C-body platform and plopped onto the rear-drive D-body shared with Buick Roadmaster, Chevy Caprice/Impala SS, and Oldsmobile Custom Cruiser. For the post part, the Fleetwood is a certified grandpa machine, but occasionally you'll find a grandpa with a death wish. Like this 1996 Cadillac Fleetwood Brougham offered fro $8,000 in Oklahoma City, OK via craigslist. 
The '00s were a strange time for European small cars. A staggering number of them offered drop-tops, and in the increasingly faddish metal folding roof arrangement, copied from the original SLK. The Renault Megane, Peugeot 206, 207, 307, Opel Astra, and VW Eos (a decapitated Golf) were all offered as such convertibles. Meanwhile, Mitsubishi needed a flagship small car to improve sales of their tepid Colt hatchback, so they turned to Pininfarina to produce yet another hardtop convertible in the same vein. Find this 2007 Mitsubishi Colt Turbo Cabriolet somewhere in NSW, Australia for $6,990 AUD ($5,345 USD at the time of writing) via Carsales.
This next car has me wondering just how many cars built in 1989 still have less than 65,000 miles on the their odometers? With an average of just over 2300 miles per year, you've got to admit that this car has had a pampered life, but not so pampered that you wouldn't want to drive it (like that silly 6,000 mile MX-5 that will bounce around the internet via car carriers till the end of the gasoline era). Find this 1989 Acura Integra RS offered for $6,000 in Hudsonville, MI via craigslist. Tip from Michael.
When presented the choice of repairing a failed head gasket on the stock 3.2 engine or swapping in a C36 AMG engine, I chose the later. Neo in the Matrix chose the red pill and we have been down similar rabbit holes ever since. The 2.8, 3.2, and 3.6 Mercedes M104 straight six engines all have the same exterior dimensions so it was a straight bolt in swap. The 3.6 engine is good for approximately sixty horsepower more than the stock 3.2. For 1995, a small number of factory E36 cars were sold in the United Kingdom. Find my 1995 Mercedes E320 wagon for sale here on eBay in Norwalk, CT for $10,000.
Find this 1958 Auto Union DKW 3=6 2-Door here on eBay bidding for $1,375 with a few hours to go, located in Coeur d'Alene, ID.
Demographics are destiny. For old age entitlements that is certainly the coming future where there aren't enough young workers to support the old pensioners. For products of youth that can also be the case. For Harley-Davidson, the greying of its customer base has been a concern for a number of years. This has lead H-D to try different designs outside of their tried and true 
The fifth generation Cutlass Supreme was available with a number of interesting configurations, like the wacky Salon fastback, or the sporty Hurst/Olds W-30 package, but today's example is just a simple V8 with a 5-speed manual gearbox..because sometimes simple is best. Find this 1979 Oldsmobile Cutlass Supreme offered for $2,000 (CAD) in Surrey, BC, Canada via craigslist. 
Today is November 1st, traditionally celebrated as the All Saints Day in the Western Catholic world, but known as the Day of the Innocents down south of the border, followed by Day of the Dead tomorrow (Nov 2nd). Let's kick of the celebration of the innocents with this 1963 Pontiac Bonneville Convertible offered here on eBay bidding for $8,155 reserve-not-met with buy-it-now of $11,400 with 4 days to go.