Just get a proper home inspection and investigate the basement quality, electric type (i.e. knob and tube, aluminum, ungrounded, modern romex), plumbing type (i.e. cast iron, galvanized, pvc), and just be overall ok with an older building material.

The question you should be asking is1) What type of liability exposure would I be generating and will an LLC or Corp be suited for that.If you don't plan to own the property, I can't anticipate a piece of paper causing much liability, if any at all.2) What type of income would the tax liens be generating and would an LLC or corp minimize the taxes.

For example, travel nurses and digital nomads are typically looking for very different property types than a family relocating to an area.

What made you interested in investing in this type of deal?

However, the specific details can depend on various factors, including the type of asset, how long it was held, and any applicable tax exemptions.

That said, I personally wouldn't invest in that type of area, in my opinion (for whatever that's worth) I'd advise taking on some debt and going a little higher in price to get a more consistent area that will provide a safer investment. 

Very few newer built investment type duplexes unless you go to someplace like Denison, about an hour north of the metroplex.If you're thinking about using the 2nd side as a STR, make sure you understand both the current law and sentiment for STR in the area. 

What made you interested in investing in this type of deal?

@Kevin SiWe avoid window A/C units since this type of apartment unit only allows you to push the rents so high.

We want to know what type of job they have and how long they have it.