That's a lot of BTC already even at 800sat, if in case those 100M coins are sold at round 1.
The dev needs to do some active campaigns here to sell his tokens.

By the way, in what part of the world do you plan to build those residential buildings or do these construction projects?
There's quite a few similar projects that were launched before, but unfortunately they failed.
So what are the unique features of your project that will be different from the others and will be a good investment?