Model 3: Buy Mid Range now or wait for Standard Range?

Model 3 Standard Range:

Range - 220 mi (324 km)

Drive - RWD

Price - $35,000

Price w -$7,500 (2018) - N/A

Price w -$3,750 (Jan-Jun 2019) - $31,250

Price w -$1,725 (Jul-Dec 2019) - $33,275

Model 3 Mid Range:

Range - 260 mi (418 km)

Drive - RWD Price - $46,000

Price w -$7,500 (2018) - $38,500

Price w -$3,750 (Jan-Jun 2019) - $42,250

Price w -$1,725 (Jul-Dec 2019) - $44,275