The total amount of cash you can deposit is practically limitless, constrained only by the physical volume of currency you possess and the compliance policies of the receiving financial institution. You can deposit small daily amounts or massive lump sums into an active checking, savings, or business account. When executing very large cash deposits, you must be prepared to cooperate with bank compliance officers by presenting verifiable proof of the funds' legitimate origin, such as real estate sale proceeds, verified business revenue records, or legal inheritance documentation, ensuring smooth processing and full adherence to banking laws.