I would not divide it until you know your full monthly carrying cost. Ring-fence the emergency fund first, including mortgage payments and service charges, then create smaller moving and repair pots. Furniture comes last; a 4-bed apartment does not need to be completely furnished on day one...
The missing neighbourhood names really are central. Mexico City is too varied for one average to guide a purchase in two specific areas. I’d narrow it further to genuinely comparable buildings and ask whether the sale price includes the same furnishing or service arrangement advertised in the...