Any real world examples what it means for a wife to be obedient?
A first insight can come from these two ahadith quoted in tafser al-Qurtoby (a well known Maliki scholar), where our Messenger (Peace be upon him) explained or gave the characteristics of the best wife/woman:
'The one who makes him happy when he looks at her, obeys him when he commands her, and she does not go against his wishes with regard to herself nor her wealth.' (Sunan an-Nasa-i)
Let me inform you about the best a man hoards; it is a virtuous woman who pleases him when he looks at her, obeys him when he gives her a command, and guards his interests when he is away from her. (Sunan abi Dawod)
I found a similar quote in the tafser of the hanafi Scholar abu as-Su'od, with a wording like that one of Imam an-Nasa-i's version, and a reference to sunan abi Dawod. So about this meaning there seems to be consensus among both tafasir.
What exactly is included in obedience of a wife towards her husband (details could be found in this fatwa or this one), but one could say that a woman is asked to follow the rules of shari'a that means she can't obey her husband if he asks her not to pray, instead she should do all the mandatory acts and leave all the prohibited acts. But when it comes to mustahab/preferable acts she should ask for the agreement of her husband:
For example if she wants to fast a voluntary fast her husband could deny it. But in case she has to perform missed fasts of Ramadan he wouldn't be allowed to deny it if she won't have enough time to fast before the next Ramadan.
Not to do something she knows her husband would reject or disagree with even if this would be halal.
Scholars tend to emphasize obedience in 3 matters: In his absence (not to let any stranger in his house without his permission), his money (Imam Malik in this case allowed woman to let witnesses enter the house if a woman wanted to borrow some of her husbands money, based on this hadith) and his secrets as described in the ahadith above.
This does not mean that the husband should behave like a dictator. ... However, once the husband has made a decision which should not be
against the Shariah and is not unreasonable as well, then the rest of
the family should fulfill this request of the husband/father which
would Inshallah be for the greater benefit of the family. (From this
Note that the Shafi'i and Maliki school say that according to the verse you quoted
Men are in charge of women by [right of] what Allah has given one over the other and what they spend [for maintenance] from their wealth. ...
If a husband can't spend for his wife and is in hardship this could be a reason for -her to ask for- faskh (divorce) while the Hanafi school doesn't accept this based on verse (2:280), this is based on what al-Qurtoby quoted in his tafsir. The Maliki's and Shafi's say that a major condition of the men being in charge of the women would be void if they can't fend for their wives (financially) ...
See also this, this and this (Arabic) fatwas (most of them are salafi views).
And Allah knows best