Lillah and charity

Person working with public funds giving preference to his needy relatives

Q: With reference to Surah Yusuf (alahis salaam), is it correct for a person working with Public Funds (Government, NGO's etc.) to give preference to his Needy Family Relatives? This would be done in accordance with following the correct procedures, protocols, regulations etc. If it is correct, would it be preferable?

UK charities

Q: I am a UK tax payer and donate to charities. These charities state that they have a 100% donation policy. I tick the gift aid box so the government contributed as well. This money from the government is used for admin costs and salaries by some charities. Is this permissible, as the government donates the money on the understanding that it will be used exclusively for the respective charity and not for admin costs?

Wife giving Sadaqah from the husbands wealth without his permission

Q: Please tell me can a woman give Sadqah and khairaat without the permission of her husband from his income? 

Hadith: Narrated Abu Huraira: The Prophet (Sallallahu Alayhi Wasallam) said, "If the wife gives of her husband's property (something in charity) without his permission, he will get half the reward." Book 69, Sahih al-Bukhari 5360

Sadaqah

Q: Should I give money to people selling stuff that I don't need to buy without buying anything from them? 

Decreasing one's sadaqah to save up for hajj

Q: Alhamdulilliah I am employed and in addition to my annual zakaat I make a point of giving away at least 10 percent of my money in additional sadaqah. However I am a bit confused at this point. I would like to start saving more than I currently  in order to get married and go for haj Inshallah. I know that sadaqah does not decrease wealth.

Should I continue to give the same amount as sadaqah or should I decrease a bit in order to increase my savings for these sorts of things.