The varicose veins arent seriously developed.
That would depend on how you are treating the varicose veins. If treating the varicose veins by sclerotherapy or by endovascular laser or endovascular thermal method, then you need to delay the liposuction for 6 weeks and have an venous ultrasound to rule out the presence of a clot prior to liposuction.
i believe it is safer to have varicose vein surgery before liposuction because you will have less chance of hit the enlarged veins with the liposuction cannula when performing the lipo. thus not inadvertently causing bleeding if puncturing one of these veins during lipo.