Sorry if my suggestion is going to hurt but none of the above. Why don't you get a ringsling/ssc - babywear to sleep instead and then slowly transfer to cot?
I'm a sahm with no help so at times I babywear her and as soon as she fall into a deep sleep, I put her down. It might be difficult the first few times but your baby is still young, can change her sleeping pattern.
Most of the time I latch her to sleep..
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