Credit: Edgar Cervantes / Android AuthorityTL;DRStarting July 7, AT&T is expanding its customizable Build-A-Plan service to let users add AT&T Fiber or 5G-powered Internet Air to their mobile accounts.The combined service pricing will start at $70 per month and include the base wireless tier, unlimited mobile data with standard-definition video streaming, and home internet.Build-A-Plan remains capped at one line per account and restricts standard video streaming to 480p unless a premium data tier is selected.AT&T is expanding its customizable Build-A-Plan service to include home internet integration, giving subscribers a single, simplified process to bundle mobile and broadband access from the carrier.The company has announced that starting July 7, customers can seamlessly add AT&T Fiber or AT&T Internet Air to their personalized wireless service, making budget management and billing consolidation easier.