Consideration must be taken to know that prospective buyers may not be willing to pay more for additional work done.
Ensure that general maintenance is completed so not to allow purchasers to over-look the property, nor ask for a discounted price due to current conditions.
Enhancements to be done;
Enhancements which are not feasible;
It is vital to understand that not all upgrades are beneficial in preparing to sell a property.
Consult a reputable agent to assist, and advise you in selling your property!