Other undesirable things include: industrial building next door (or close), railroad tracks close, freeways close, busy streets, flood prone areas, sinkhole areas. 

Include some of your rental criteria to discourage undesirables from applying.5.

If the area is not a true "retail corridor" your pool of potential tenants will be limited to mom & pop shops, which can no doubt be fantastic tenants, but are less desirable due to the associated risk.If your budget only allows you to buy a property in an undesirable area it may be better to save up until you can afford a nicer area or look at alternative investments.

(in my equation I put a range because investors I work with tend to use .75)MAO= ARV (.70-.75) - Repairs - wholesale fee   (mao is what you offer motivated seller)end buying Investor is willing to pay:   ARV (.70-.75)  - repairsSo in your offer to the motivated seller, make sure you account for your wholesale fee.the price you give to your end buying investors is your MAO number plus your wholesale feeHopefully I was clearer than mud!!

honestly I feel like you're throwing away money at that point, you can schedule a deep clean once a month for each room and save yourself the money, perhaps your house is out in boonies or on the beach and tracks in a lot of sand and mud but it really seems like you're throwing away money.

Technically I own the rights to be paid on those liens for 20 years, but given that they are liens on undesirable rural land, the likelihood anybody would buy them is remote.All of my liens were selected and bought for me by PIP with the intention of getting them either redeemed or foreclosing on the underlying asset.

Slower times are Nov (stick season - no snow or leaves to see) and April (Mud season - just a mess and still kind of cold).

For me, the only undesirable part of flipping homes is my tax bracket, so if you can take advantage of the GIFT from the government for primary residence, I would say, that is the way you can dramatically increase your profit without increasing your risk.

Your tone comes from above to look down on  people who are starting with very little means to propel themselves out of an undesirable state.

Castro sent boatloads of criminals to Miami in order to get rid of undesirables from Cuba.