High-yield savings accounts (HYSAs), offering 4.00% to 5.00% APY, serve as a foundational, high-growth "parking lot" for capital to build passive wealth . Top choices include Varo and AdelFi for high rates, alongside strategic options like CDs and cash management accounts . For a full guide on selecting the best account, visit Investopedia . 13 types of investment accounts to know | Fidelity