Buy the contract of indentured servants forever* for reasonable prices.
This means they’ll have to work for you forever.
Types
Weak child apprentice (seven year contract)- $25
Strong child apprentice (seven year contract) - $50
Weak teenage** male apprentice (six to three year contract)- $100
Strong teenage female apprentice (five to two year contract) - $150
Strong teenage** male apprentice (six to three year contract)-$250
Adult female apprentice aged nineteen (two year contract) - $1,500
Adult male apprentice age nineteen (two year contract)-$2,000
Uneducated and weak but law abiding women- $150
Uneducated and weak but law-abiding men- $250
Strong but uneducated male convict- $2,500
Strong but uneducated female convict- $3,000
Educated convict- $35,000
Uneducated law abiding person- $45,000
* in the case of adults who are not apprentices
** fourteen to eighteen year old