The speaker is the new arrival in town, and the poem reads like a short, wry introduction. He shows up carrying an "alphabet of commodities", a phrase that suggests a head full of consumer goods and brand-name wants, running from A to Z. Then comes the odd detail of the "Xs": perhaps crossed-out items, perhaps marks of something forbidden or unknown. The poem doesn't say, and that gap keeps us guessing.
The last two lines turn the tone sharply. Instead of asking to be welcomed or shown the good places, the speaker asks to be taught "some other things to hate." That "other" matters. It implies he already hates plenty, maybe the very commodities he's lugging around, and now wants a local education in new resentments. The mood is dry, a bit bitter, and darkly funny. Judging by the wording, the speaker seems to see belonging as something shared through common dislikes, and he's half mocking that idea while still wanting in.