I'm the opposite as well. Singleton + Twins, 4.5 years apart. I had my twins when I was 39 (they were a surprise) - so you still have a lot of time. My best friend just had the twins + singleton combo, and I agree with the above statement, after having twins, having singletons will be a breeze for you. Especially since by the time you have the baby, the twins will be a bit older. Financially/logistically, we found 2 vs 3 is a big difference - bigger cars, bigger everything. But at least you will have hand-me-downs from your twins :)
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