Mastering how to optimize Target ROAS bidding in Google Ads is essential for campaign managers seeking predictable return on ad spend in competitive markets. The Target ROAS bidding strategy automates bid adjustments based on conversion value, allowing advertisers to maintain consistent profitability while scaling volume. This guide walks through the critical setup phases: conversion tracking architecture, historical data requirements, and campaign structure decisions that determine whether ROAS algorithms perform optimally or underdeliver. Understanding when to use Target ROAS versus manual CPC or Maximize Conversion Value directly impacts your ability to hit margin targets without constant manual intervention. E-commerce teams, lead generation verticals, and performance marketers managing large product catalogs benefit most from this automated approach because it eliminates guesswork around individual bid values.