As a Salesforce admin who’s managed orgs for Fortune 500 companies in healthcare, finance, and retail, I’ve seen too many preventable mistakes drain budgets. These aren’t "oops" moments—they’re direct cash leaks. Here’s what I’ve seen cost companies real money. 1. Over-Engineering Custom Objects Every time you create a custom object instead of using standard objects or standard fields, you’re adding storage costs, slowing queries, and complicating future upgrades. A retail client built 47 custom objects for "product variants" when Salesforce’s standard Pricebook and Product2 objects would’ve sufficed. Result: $12,000 in annual extra storage costs and 40% slower reporting. They could’ve avoided this by auditing standard capabilities first. 2. Ignoring Sharing Settings Setting sharing to "Public Read/Write" on a sensitive object isn’t just risky—it’s expensive. A financial services client configured a custom "Loan Application" object as "Public" (not realizing it held SSNs and credit scores).…