Advance hint: Even though the "law" indicates anyone with a receiving set is "legally obliged" to enter into a contract with NHK, there is no authority that will enforce this. It is not like the UK where such enforcement (for BBC dues) is rigorously enforced.
Also, if you opt for (Japanese) public housing (which is NOT like American "projects" or UK's 'council housing'), you won't need to pay key money, huge non-refundable deposits, no guarantor and other b.s. like renewal fees every two years:
Finally, even though I find the author to be an annoying drama queen, you might benefit from his book "HANDBOOK FOR NEWCOMERS, MIGRANTS, AND IMMIGRANTS TO JAPAN"