Jami At Tirmidhi
672
Sahih Lighairihi+3

Aishah narrated that:the Messenger of Allah said: "When a woman gives from her husband's home, with a good heart, not to spoil it, then she will get a reward similar to his, for her is the good she intended - and the same is for the trustee

Sahih LighairihiAhmad Muhammad Shakir
SahihAl-Albani