Growth versus distribution
Using $100,000 at 12% for five years with no costs, withdrawal mode shows $60,000 in total interest and keeps principal at $100,000. Monthly reinvestment ends with $181,670 of capital. These are not interchangeable outcomes: one prioritizes distributions, the other accumulated balance.
When withdrawing can be intentional
- The cash flow pays part of recurring living costs.
- Near-term liquidity matters more than the largest future balance.
- The distribution serves a higher-priority goal or reduces expensive debt.
- Product terms make automatic reinvestment unattractive.
In Money Stack, costs above the monthly interest begin reducing principal. That distinction exposes a plan that is described as “living on interest” but is actually consuming capital.
When reinvestment fits the goal
Reinvestment matches long-horizon accumulation when the money is not needed soon, product risk is understood, and emergency cash is separate. Use Cash Years first to estimate whether your liquid runway can cover near-term obligations.
Do not hide uncertainty
Changing rates, market losses, taxes, fees, and inflation can reverse the neat ordering shown by a deterministic model. Build at least a base case and a lower-return stress case. If the stress case requires money that is also your emergency fund, the plan is overextended.
Investor.gov explains compound growth as earning returns on both invested money and retained returns. It also stresses that investments involve risk; this article does not select a product.