Hi there, It's great that you are planning a trip to Darjeeling! There are plenty of places to stay and things to do that fit within a budget-friendly 2-night, 3-day trip for a couple. For places to stay, you can consider budget-friendly hotels or homestays in the town area of Darjeeling, such as Hotel Mohit, Pahari Soul Homestay, or Chamong Chiabari Mountain Retreat. These options offer comfortable and affordable accommodation options. In terms of places to visit, you can't miss out on the breathtaking views of Kanchenjunga from the Tiger Hill sunrise point. You can also visit the Darjeeling Himalayan Railway, also known as the Toy Train, which is a UNESCO World Heritage Site. Other popular attractions include the Batasia Loop, Japanese Peace Pagoda, and the Happy Valley Tea Estate. When it comes to food, Darjeeling is known for its momos, thukpa, and chowmein. You can find plenty of local eateries and food stalls in the town area that serve delicious and affordable food. As for activities, you can go on a trek to Sandakphu or Singalila Ridge, which offer stunning views of the Himalayan range. You can also take a walk through the tea estates or go on a day trip to Mirik Lake. Overall, Darjeeling is a beautiful destination with plenty to offer within a budget-friendly trip. I hope you have a great time and enjoy the local culture, food, and scenic views!