An RCM is absolutely essential. At a minimum and if budget is an issue, start with a Spin Clean. Years ago I started with a Parastat, added a Discwasher and then the Allsop Orbitrac manual cleaning system before popping for a VPI-17. I now use a Loricraft PC-4 which is significantly better than the VPI. I have a steamer for those really dirty records. No serious vinylholic should be without an RCM.