Generally with rental agreements, you owe the full term of the lease if you pull out early.So if you moved out at 20 years, you would owe 5 years rent.If you pulled out at 5 years, you would owe 20 years rent.The only way to overcome this is an early release clause. You could also rely on a breach of contract if the property becomes unlivable.Another way to set this up in your favour, so you do not have to pay out the remainder is to set it up as a one year lease with 24 one year options to renew. Have them as rolling renewals so if you do nothing the contract renews.This way the most you would owe is a yearu2019s rent if you pulled out early.You will need to see a lawyer in your city, and discuss the above suggestions with him/her to ensure they can be enacted in your case.