Partner & Manager - Buyer with $500K to contribute to receive circa $200K income

Established permanent management rights business with high net income that would suit a husband and wife operator or a management team. the compelxes offer affordable townhouses that are extremly attractive to tenants and are always in high demand. How else could you have an equity share in a high performing MR, back of house partnership support and earn approx. $200K per year with a full 27% share requiring only $500K in cash/equity?