Step 1: Select the price range from which you wanted to buy the product.Step 2: Add your choice of sarees from that range. You can check the design and also can see the product weight.Step3: Checkout the cart

Yes you can buy buy sarees from any product range at a time.

Sure, here is the example:Lets assume you have selected Rs.1000 /kg sarees and you have added a saree which weigh 250 gms. The system will add the product to your cart charging for just 250 gms. Rs.1000/1000gmsXRs.250. Your total payable will be just Rs.250.

There is no limit. You can buy any quantity subjected to the stock availability.