Here's your engineering plan for that budget. Make up some design documents and put up a splashy crowdsourcing campaign. Collect, but don't spend the deposits.

Here's your engineering plan for that budget. Make up some design documents and put up a splashy crowdsourcing campaign. Collect, but don't spend the deposits. Trickle out some progress content over about a year. Look for knock offs on aliexpress, return deposits.