Plywood offcut and hide it with the bed. It's temporary and hidden so don't waste time and money on it?
Did think on that, but will need to make good and level to fit new floor in time so not wasted. A bag of cement and sand isn't much, seems easiest.
@Grumpy_Git started
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Plywood offcut and hide it with the bed. It's temporary and hidden so don't waste time and money on it?