Well, young man, I hope you realize what you're getting yourself in for.
3 seconds sound clip from the Holiday (1938) movie soundboard.
You can hear this line at 00:14:09.458 in the Blu-ray version of the movie.
Quote context
[...]
- She was fresh to mention it. It looked to me like an out-and-out pickup.
- I know a good thing when I see it.
- Just a minute, please. Does Father know about these goings-on?
- I'm off to church to tell him now.
- Well, young man, I hope you realize what you're getting yourself in for.
- I must admit I didn't know I was marrying into a house with an elevator.
- Oh, it isn't only the elevator. The place is haunted.
- Frightful ghosts all wearing stuffed shirts and mink-lined ties.
- Any skeletons in the closet?
- You mean to say Julia hasn't told you about Grandfather?
- No.
- He stole a railroad from the stockholders.
[...]