When considering re-glazing or replacing a tub, you should take a good look at the condition of the existing tile and grout as well as the seal along the top of the tub.

Usually, what will be difference in terms and conditions between them ?

One I like is that they are renting the property in "As Is" condition meaning they have approved of the unit themselves and I will not do any "Upgrades" to the property.

It's in move in condition. 

(Heating, Ventilating, and Air Conditioning)  I spent a little over 8 years active duty and was involved in Desert Shield, Storm, and Peace from August 1990-March 1991.When I returned to civilian life in 1995, I moved back home to Lower Burrell, PA.  

(Heating, Ventilating, and Air Conditioning) I spent a little over 8 years active duty and was involved in Desert Shield, Storm, and Peace from August 1990-March 1991.When I returned to civilian life in 1995, I moved back home to Lower Burrell, PA.

(Heating, Ventilating, and Air Conditioning) I spent a little over 8 years active duty and was involved in Desert Shield, Storm, and Peace from August 1990-March 1991.When I returned to civilian life in 1995, I moved back home to Lower Burrell, PA.

You've bought a property that already had a tenant in it and you probably don't have good documentation to support the condition of the property at the time the tenant moved in.  

“But one of the smartest strategies of the world class is doing what they love and finding a way to get paid for it.”On the other hand, middle class take jobs they don’t enjoy “because they need the money and they’ve been trained in school and conditioned by society to live in a linear thinking world that equates earning money with physical or mental effort.”I would have taken the risk and started my own business like I considered after college instead of taking the first job offer that came along.

Try and ask around locally or any neighbors if there are any about the home's condition and ownership status.If that fails you can get the owner's information and the property's tax status from the tax office (link) or another useful tool for owner and property information is the Galveston Central Appraisal District (link).