We made an offer on it and the seller agreed to our terms.

I made the offers and closed without seeing them in person.

Tons of seasoned members here to also help offer good advice as well as keep new investors from making mistakes.  

You can get a home inspector but like James stated many builders offer/include a warranty.

As I am considering my offer, I am trying to understand how much to budget for attorney, title/closing costs etc? 

Gann, JD (“Rick”) is Managing Partner of 1031 Capital Solutions, serving the Pacific Northwest from the firm’s office in Lake Oswego. 1031 Capital Solutions’ mission is to provide tax-efficient strategies to real estate investors.The contents of this article constitute neither an offer to sell nor a solicitation of an offer to buy any security which can only be made by prospectus.

The time period you select is whatever you are comfortable with.

I am just researching, and the more "negative" stuff I found about it the more I am inclined not to make an offer on it.

So when an offer was scoffed at, I would move along and with no follow up method, the property would sale at or near my offered amount.

Please feel free to reply or DM.Invest 5S is currently offering several build-to-rent investment units in San Antonio area.