When considering capital expenditures (CapEx), prioritizing those that offer the best return on investment (ROI) is crucial. When it comes to investing in apartments, ROI is measured by the ability to increase rents, attract and retain quality tenants, and enhance the overall value of the property. Here's a ranked list of the 7 most common CapEx items based on their impact on rental income, followed by a separate list of compliance-related expenditures: