No drainage tile installed around finished basement's foundation

[Greg Parks]

Anyone with knowledge of basement waterproofing in baltimore city rowhomes who cares to opine on whether they think this is a major red flag or not? The rowhome property I have under contract has a finished basement - however, no drainage tile was installed around the perimeter foundation walls. I probably couldn't afford to trench down and install the drains myself given the amount of demo and refinishing that would be involved. Scared this might be a major flooding/mold risk in the future. A standalone sump pump is installed but that appears to be it (according to the home inspector).