get one's own house in order - zamést si před vlastním prahem
1. So to those who would point the finger at the IRA for the current difficulties in the peace process I say: "Get your own house in order." (Google)
2. So before you go whining about all your bad luck, it's time to get your OWN house in order first. (Google)
3. Understand what your own engineers are telling you and make sure it is the truth. Often times they will gloss over deficiencies or soft-sell benefits. Get your own house in order before you go on the road to demonstrate the product or write the press kit. (Google)