The time has never been more ideal to invest in some Sumbawa land. This Indonesian area is ripe for development, both in the commercial and in the residential sense. So if Sumbawa land interests you, start talking with a realtor about getting you some exposure to properties that fit your requirements so you can be among the first people to set foot on virtually untouched land.
Sumbawa land is probably less expensive than you would be led to believe, though a discussion with a realtor can clarify this. What is cheap to one person may be out of financial reach for another. Fortunately, a lot of land exists here so options for expansive stretches of land and smaller pieces that are more affordable should be accessible. Research these properties online too so you have enough to go on in your initial meeting with an Indonesian real estate expert.