Trying to safe pennies over quality will humble you few months or a year later when mining crypto, today I almost but down my house thank God I just went down to a store nearby, should have knew but I am sick with cough and catarrh so my nose is not working right.
Don't buy cheap risers
Don't buy cheap Pcie extender cables ( that's what I did ), in fact don't go cheap on your setup than buying cheap GPU, other parts are very important, that includes the power supply as well.