Dynamic and condenser microphones
Condenser microphones can capture fine detail and are common in controlled studio environments. Dynamic microphones can be practical in untreated rooms because many models are less sensitive to distant room sound at typical working distances.
Neither category guarantees a good result. Polar pattern, frequency response, microphone technique and the room all affect the recording. Listen to examples made in conditions similar to yours.
Consider your voice and room
A bright voice may become harsh through a microphone that emphasises upper frequencies, while a darker voice may benefit from a different balance. Test plosives, sibilance and proximity effect.
If the room is reflective or noisy, improve the recording position first. Place the microphone away from hard walls and use a pop filter; avoid recording directly beside a window or loud computer.
Check compatibility and accessories
Confirm whether the microphone needs phantom power, an audio interface, a stand and an appropriate cable. Budget for these essentials instead of spending everything on the microphone.
Record the same short verse with each candidate at matched loudness. Choose the one that needs the least corrective work and lets your performance sound natural.