Antonyms for the phrase "costing an arm and a leg" can encompass a wide range of possibilities. Some options might include "affordable," "budget-friendly," or "inexpensive." Other antonyms could be "thrifty," "economical," or "cost-effective." These terms all imply a focus on financial responsibility and prudence, rather than overspending or making extravagant purchases. Rather than sacrificing important assets or resources, one can pursue alternative paths that prioritize smart choices and practicality. By utilizing these antonyms and concepts, individuals can work towards financial stability and avoid the pitfalls of overspending that can lead to negative consequences in the long run.