Beit Midrash

What happens, say, if in another week (bi'ur time for loquats), you have loquat preserves that you cooked together with lemons (whose bi'ur time is in more than a year!)? What about if there are other non-sacred foods cooked with the kedushat shevi'it loquats?

My father is holding onto my little brother's money (he's 14). That is, money he received as a gift: Chanukah gelt, bar mitzvah money, etc. He gave the money to my father so when he asks for money, our father gives him money from this sum and deduct it from the money he...

We have two citrus trees in our yard. Due to the weather, lots of undeveloped fruits are dropping on their own. They are by no means edible. What are we supposed to do with them? Do they have kedushat shevi'it?