While you may be eager to set up your system for mining activities you should always know pros and cons of doing certain tasks that are not recommended. For example, unless you are aware of detailed actions that you should take to set up your mother board for mining, you should not use GPUs. What is GPU, it is graphic processing unit and it is replacing traditional CPUs, Central Processing Units, as these are best processors that are required for setting up system for mining.
Ok now that you know that GPUs are more important for this set up, you should know that by reading Windows 10 Ethereum Mining GPU Guide you would get a rough estimation of how many GPUs you should procure so that you could fix them up on mother board. Touching mother board is assumed to be most complicated, but when you read mining GPU guide you would at least get to know cost estimate for buying GPUs so that it would be easy when you want to execute plan to set up such mining system at home. Each mother board would be having a different configuration which should be strictly followed so as to do effective mining.
You could always refer to guides when you have questions about type of GPUs, how many could sit on each mother board, how they should be configured so as to make good money that generates every single minute etc. You do not have to question about the integrity of these guides as they provide accurate and latest information about latest and old mother boards due to which you hardly would have to complain about guides that help you in setting up your mother board. Do you accept this analysis, then start reading guides and be prepared for the consolidated expenses that are to be incurred.