How much money do I need to invest for rearing at least five to ten cattle?

Start with getting land, then fences, and a watering system in place. Try to buy a place that has all that already, though the fencing may need up-grading. Facilities are good to, really important if you are trying to start-up a dairy operation. Dairy operations can run you well over a few hundred thousand dollars a year. A basic start-up with a few beef calves will be less, but the main costs will be in your time and effort to manage so that you reduce your costs and create less work for yourself. Many say the only way to get into cattle is by winning the lottery. Land prices can be the biggest deal-breaker. Once you get the land then you can go from there, if you have the income.