In the first of a regular series, I'll help to answer the question - What do I write about?
A great way to come up with a story idea is to -
2. The washing machine is making a rattling sound. There's nothing in the drum, but when the back panel is taken off there's a bloody knife hidden inside.
3. You come out of the supermarket to find a strange woman in your car. She's holding a gun and insists she knows you.