1. For this go to the in game 'Market'
2. Hit the 'sold for min' until the arrow is up.
3. Skip through a few pages until you reach stuff selling for 0.02 credits. (I had to skip through to page 25ish at the time of writing this post.)
4. Buy 10
If you don't have credits go to 'storage' and just sell some scrap metal which is in the hexagon icon. Just push Y on it and quick sell it. Do it 10 times for:
The Fence achievement in Crossout worth 73 pointsSell 10 goods on the market