Looking at the cost of a lyft, it seems to be about $30 from airport to school, adding in travel between school and hotel (and potentially back to hotel if going back to grab your bags from storage after checking out) I think you could be looking at carpool costs of $60-$70 depending on how much of your ride you split. I'm seeing car rental deals for about $64 for one day which seems like a wash to me tbh, in which case I am leaning towards opting for the freedom of a rental, especially if I can find someone to split the cost with (don't mind picking you up from airport either since I arrive quite early the day before my interview).
I'll be staying at the doubletree in dearborn since the hotel is slightly cheaper than in downtown (although about a 15-20 min drive to school depending on traffic seems like) and its also between the school and airport, although I guess that makes less of a difference if you're renting instead of ubering.
In case anyone is thinking of taking me up on the rental split offer, ill be arriving 9am Aug 23rd and leaving 8pm the next day. Please let me know soon, looking to book ASAP.