結果・効果N1
〜始末だ
end up... / in the end (something bad) / go so far as to...
Structure
V-辞書形／た形 + 始末だ
Explanation
In the end things went so far as to... (a bad outcome). Attached to the dictionary/ta-form of verbs.
Examples
頼んだのに、結局は自分でやる始末だ。
Even though I asked for help, I ended up doing it myself.
無計画な経営のせいで、会社は倒産する始末だ。
Due to unplanned management, the company ended up going bankrupt.
Note
Usually a bad result (go so far as to...). Similar to あげく but stresses a miserable ending.