Right now as much as i love mining, I would not recommend anyone buy any of the GPU's currently on the market, because even with a 1080ti you are looking at a year or more to ROI. I would wait a few weeks for the new generation of GPU's AMD and NVIDA will be releasing. If you would like to see how you can actually get an estimate on how much a rig will make you before you ever invest a dime, go check out my video post "Should I Invest In Cryptocurrency? And If So How?" I made that video specifically for the beginner thinking of getting into crypto by either investing or mining.