The biggest one is seller mindset.

I know there are some bpers into turnkeys but when you check they only have 2 or 3 turnkeys tops...even with the bp folks who are the biggest advocates...they don't have more purchased.It seems odd as it gets a lot of attention but when you start to pull back the layers....well it is like the Wizard of Oz...just one guy behind a curtain making a lot of noise. 

Or put it in a non interest bearing account.If you do have to evict for other reasons at least you'll already have possession of the money which is the biggest problem with most tenants.  

The biggest mistake us investors make is to purchase properties based on the proforma numbers.  

Instead of a 4-plex, start thinking just a little differently.My biggest success over the years came from buying GROUPS (5-8 houses) of older homes on a single parcel, in older, blue collar parts of town (not slums).

One of the biggest downfalls with the way I did it was that I did not install in on every wall dividing the units.

The biggest problem I see is that they are asking for 50% of the profits.

Biggest concern is the distance from campus.  

I worked for the biggest in the city for years and learned for the best.

I'm assuming you're mailing to high equity, absentee when I said wait 3 months before mailing calling.Protip: One of the biggest failures for people is the lack of good follow-up or lack of CRM.Just because a deal isn't a deal now, doesn't mean the relationship you established is not important.