The way the ship salvage 'mechanic' worked is that any wreck you found would be roughly the same class of ship you were currently flying, plus a tiny upgrade (a 5% better engine or something). You had to collect a load of crap to repair it, and then it was yours, but you had to leave your current ship behind as you flew off in your new ship. So, not really worth it.
If you buy a space station, you can use it as a garage, and own multiple ships. So my great idea was to buy a space station, scout for wrecks in the most expensive ship I had, lay down a marker, fly back to the space station, pick up my cheapest ship and then abandon that at the wreck site while flying off in the lovely expensive fixed up wreck.
This line of thought was prompted by me finding a decent wreck for once, it was pretty sweet. I laid down my marker, and went and ground out the credits to buy a space station, then ground a bit more to get a few cheap beaters in order to abandon at wreck sites. Hours of grinding.
Then I went back to claim my wreck.
Except there was nothing there, because the game only stored the last two or three markers you put down, and wiped the others from memory. Oh, and automatically overwrote your markers with points of interest
That was the end of my plan, and the game.
It's the human condition. 
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