Certainly the AeroPress Go will work fine in your home. The AeroPress Go is a somewhat smaller AeroPress that includes a cup and lid for use for pressing and drinking and also as a carrying case when on he go.
I am sorry the numbers on your chamber are not as visible anymore. You can mark the outside of your chamber with a Sharpie pen.
Your seal leaking is an indication that your seal is worn. You don’t need to buy a new AeroPress. Just buy an inexpensive replacement seal on our website, aeropress.com. Thank you for being such a fan of the AeroPress.