The phrase "reasonable limits" means sensible restrictions or boundaries that are fair and logical. It implies setting boundaries that are practical and realistic. Full definition
At heart, it's about finding reasonable limits on the pursuit of profit, or, more personally, on how we go about making a living. (canadianbusiness.com)
Fortunately, the price has been kept within reasonable limits in spite of the tablet sporting a rich spec sheet. (goodereader.com)
You must set reasonable limits for both your children and your dog. (happydogtrain.com)