I agree with @Oren K. that maintenance/cap expense is not primarily a function of the rent amount or purchase price but more a function of things like number of bathrooms, quality of interior, square footage, attached vs detached, type of exterior (siding), unit requires HVAC vs just furnace, etc.  

Are there any specific scripts that you use when speaking to them?

I'd like to think that my speaking up saved four people a lot of grief.

Ask to speak to some of their current owners and tenants.6.

At that time the development was half way done, and because there aren’t too many new constructions around, it seemed that the price is justified, considering amenities (pool, secluded community, running trails,etc) and quality of construction.

At that time the development was half way done, and because there aren’t too many new constructions around, it seemed that the price is justified, considering amenities (pool, secluded community, running trails,etc) and quality of construction.

For example, a slip and fall suit will be covered, but if there was structural damage across all of them or like asbestos or something, they won’t.You can probably only find out if you agree to purchase or maybe go speak to someone at the property.

Look at crime rates, avg household income of the area, & quality of schools.

You should speak to the commercial loan departments at the banks and/or credit unions.

It's possible that something like this might just throw off enough monthly cash to cover the long term stay needs.But there's also other medicare/medicaid considerations that they should speak to an elder care specialist attorney about.