Based on this high level analysis, it’s not surprising to see that alcohol, convenience, and pet are emerging as battlegrounds for on-demand delivery of late. Uber acquired alcohol delivery startup Drizly last year, and GoPuff acquired Liquor Barn in June. Doordash has recently expanded into Pet and Floral.

In the US alone, the secondhand fashion market could grow 20% between 2020 and 2025 to reach $67 billion in size, according to estimates by Business of Fashion Insights.