The compost provides nutrients and makes them more available to your plant. Finally, water well and often the first week or so. This will reduce the stress for the plant. I have succesfully transplanted daylilies, rudebekia, coneflowers, sedum, annual herbs, Joe Pye Weed, and salvia during the summer. None of these are delicate plants, but all are plants a beginning gardener might have.
Bulbs are generally good plants for the stress free garden.
Adivce on bulbs doesn't have to be followed to the letter. A friend tossed her daffodil bulbs behind the shed and kicked some mulch over them. I don't consider this planting at the right depth, in the right orientation, or with the right fertilizer, but sure enough, next spring they bloomed beautifully. You can also move bulbs at the wrong time. Everyone misses bulbs when they dig them up in the fall.