ARPU is $40 LTV $2,055, Less than 100 companies that could generate $500 in MRR Almost 3 million potential users
A business plan will give you a better idea. Map out revenues, costs, and margins for varying realistic range of business volumes and sales models. Do a 'what if' with than model. Analyze yourself and competitors deeply. An substantial scalable sustainable business margin is attainable even in low ARPUs if you get the business strategy right. Do give me a call if you want to flesh this out. All the best.