So can you just keep getting it?

[Granolaslice]

Or is the jury still out?

Reinfection has occurred, but so far is a very rare event (11 confirmed reinfections out of probably over 100 million initial infections).
bnonews.com/index.php/2020/08/covid-19-reinfection-tracker/

Only time will tell how long the average immunity from natural infection lasts for, some studies have hypothesised that it may last for 1 to 2 years, based on immunity from other coranavirus infections.