We spent about 5k scrubbing it up and now we have a leased signed for $775 a month.

Your best options for low or zero down is to find a property using seller financing, lease option, or get a private lender.

If you can get your best price from an owner occupant then a month to month lease would be best so you can deliver the house empty to the next buyer.If the house is really a good rental and the lease is favorable then offering it to sale to an investor with an annual lease in place with a good tenant might be best.

Looking for a lawyer in the Spring, TX/The Woodlands area, who has a background in lease issues with single family homes.

It may be easier to act like a bank offering some people a financier with a lease option  and make them your typical lease people because they  want they want home ownership someday and become an owner but they did not previously qualify for with a loan from the Bank. 

terminate lease?

Be sure to go over your paperwork and follow the rules in the lease.

If it's leased, there will likely be a lien on the home.

Owners who use lease  to options to sell  usually see buyer as kind of Flaky. 

@DeWitt Gibson if the owner currently occupies the property it is normally listed as "Owner User" however many times it is labeled as "Owner User" just because it is vacant and they are unable to lease it!