Rip off place to buy a parts. 3 months ago I stop ...

Rip off place to buy a parts. 3 months ago I stop buy 0w20 oil $6.96 3 month after price is $9.76 and I gave him last receipted to prove I bought last 3 month he said price went up all the time then I call different dealerships their price under $7 per quart. Then never come back here again .