For 2024 Pilgrims: €50,- donation = 1 year with no ads on the forum + 90% off any 2024 Guide. More here. (Discount code sent to you by Private Message after your donation)
In my opinion, perfectly feasible. By the way, the fastest way to reach Atocha from Madrid airport is by train, the train station at the airport is right next to the Metro station in terminal T4.
This site is run by Ivar at in Santiago de Compostela.
This site participates in the Amazon Affiliate program, designed to provide a means for Ivar to earn fees by linking to Amazon