The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M CO COM 88579Y101 713 3,937 SH   SOLE 0 0 3,937
ADAMS RES & ENERGY INC COM NEW 006351308 301 10,258 SH   SOLE 0 0 10,258
ALPHABET INC CAP STK CL C 02079K107 1,099 395 SH   SOLE 0 0 395
ALPHABET INC CAP STK CL A 02079K305 1,724 622 SH   SOLE 0 0 622
ALTRIA GROUP INC COM 02209S103 215 4,275 SH   SOLE 0 0 4,275
AMAZON COM INC COM 023135106 10,736 3,330 SH   SOLE 0 0 3,330
ANHEUSER BUSCH INBEV SA/NV SPONSORED ADR 03524A108 2,136 32,197 SH   SOLE 0 0 32,197
APPLE INC COM 037833100 11,964 69,479 SH   SOLE 0 0 69,479
AT&T INC COM 00206R102 8,632 322,085 SH   SOLE 0 0 322,085
BANK AMER CORP COM 060505104 1,263 25,893 SH   SOLE 0 0 25,893
BERKSHIRE HATHAWAY INC DEL CL A 084670108 4,355 9 SH   SOLE 0 0 9
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 17,463 54,359 SH   SOLE 0 0 54,359
BP PLC SPONSORED ADR 055622104 354 11,338 SH   SOLE 0 0 11,338
CASEYS GEN STORES INC COM 147528103 4,226 21,552 SH   SOLE 0 0 21,552
CISCO SYS INC COM 17275R102 5,057 82,226 SH   SOLE 0 0 82,226
COCA COLA CO COM 191216100 236 3,877 SH   SOLE 0 0 3,877
COCA COLA FEMSA S A B DE C V SPON ADR REP L 191241108 628 11,442 SH   SOLE 0 0 11,442
COSTCO WHSL CORP NEW COM 22160K105 1,156 2,236 SH   SOLE 0 0 2,236
DISNEY WALT CO COM DISNEY 254687106 296 1,902 SH   SOLE 0 0 1,902
DUKE ENERGY CORP NEW COM NEW 26441C204 225 2,163 SH   SOLE 0 0 2,163
EBAY INC COM 278642103 215 3,400 SH   SOLE 0 0 3,400
EXXON MOBIL CORP COM 30231G102 276 3,910 SH   SOLE 0 0 3,910
GLOBAL X FDS GLOBX SUPDV US 37950E291 673 31,711 SH   SOLE 0 0 31,711
HANCOCK JOHN PFD INCOME FD I COM 41021P103 427 23,000 SH   SOLE 0 0 23,000
HOLLY ENERGY PARTNERS L P COM UT LTD PTN 435763107 7,497 416,987 SH   SOLE 0 0 416,987
HOLLYFRONTIER CORP COM 436106108 14,300 405,563 SH   SOLE 0 0 405,563
HP INC COM 40434L105 1,343 34,705 SH   SOLE 0 0 34,705
HUNTINGTON BANCSHARES INC COM 446150104 706 40,737 SH   SOLE 0 0 40,737
INTEL CORP COM 458140100 1,606 29,226 SH   SOLE 0 0 29,226
INTERNATIONAL BUSINESS MACHS COM 459200101 514 3,816 SH   SOLE 0 0 3,816
ISHARES TR 1 3 YR TREAS BD 464287457 503 5,900 SH   SOLE 0 0 5,900
ISHARES TR SHRT NAT MUN ETF 464288158 1,420 13,285 SH   SOLE 0 0 13,285
ISHARES TR SHORT TREAS BD 464288679 5,119 46,375 SH   SOLE 0 0 46,375
ISHARES TR S&P US PFD STK 464288687 6,241 160,647 SH   SOLE 0 0 160,647
ISHARES TR MIN VOL USA ETF 46429B697 218 2,802 SH   SOLE 0 0 2,802
ISHARES US ETF TR SHT MAT BD ETF 46431W507 3,592 71,947 SH   SOLE 0 0 71,947
JOHNSON & JOHNSON COM 478160104 623 3,691 SH   SOLE 0 0 3,691
JPMORGAN CHASE & CO COM 46625H100 421 2,500 SH   SOLE 0 0 2,500
KINDER MORGAN INC DEL COM 49456B101 3,077 175,117 SH   SOLE 0 0 175,117
KRAFT HEINZ CO COM 500754106 1,417 37,633 SH   SOLE 0 0 37,633
LOWES COS INC COM 548661107 349 1,393 SH   SOLE 0 0 1,393
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 569 11,665 SH   SOLE 0 0 11,665
MARATHON PETE CORP COM 56585A102 1,083 14,806 SH   SOLE 0 0 14,806
MCDONALDS CORP COM 580135101 353 1,350 SH   SOLE 0 0 1,350
METLIFE INC COM 59156R108 1,506 22,184 SH   SOLE 0 0 22,184
MICROSOFT CORP COM 594918104 4,827 15,837 SH   SOLE 0 0 15,837
NUCOR CORP COM 670346105 725 6,429 SH   SOLE 0 0 6,429
ONEOK INC NEW COM 682680103 699 11,332 SH   SOLE 0 0 11,332
PAYPAL HLDGS INC COM 70450Y103 462 2,551 SH   SOLE 0 0 2,551
PEPSICO INC COM 713448108 438 2,516 SH   SOLE 0 0 2,516
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 4,934 113,373 SH   SOLE 0 0 113,373
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 321 30,009 SH   SOLE 0 0 30,009
PPL CORP COM 69351T106 2,414 80,457 SH   SOLE 0 0 80,457
PROCTER AND GAMBLE CO COM 742718109 311 1,962 SH   SOLE 0 0 1,962
QUALCOMM INC COM 747525103 789 4,291 SH   SOLE 0 0 4,291
REINSURANCE GROUP AMER INC COM NEW 759351604 324 2,750 SH   SOLE 0 0 2,750
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 327 6,647 SH   SOLE 0 0 6,647
SCHWAB STRATEGIC TR SHT TM US TRES 808524862 763 15,049 SH   SOLE 0 0 15,049
SCHWAB STRATEGIC TR US TIPS ETF 808524870 364 5,900 SH   SOLE 0 0 5,900
SELECT SECTOR SPDR TR SBI INT-UTILS 81369Y886 1,082 15,480 SH   SOLE 0 0 15,480
SNAP INC CL A 83304A106 231 6,019 SH   SOLE 0 0 6,019
SPDR GOLD TRUST GOLD SHS 78463V107 330 1,938 SH   SOLE 0 0 1,938
SPDR SER TR SPDR BLOOMBERG 78468R663 492 5,377 SH   SOLE 0 0 5,377
SPDR SERIES TRUST PRTFLO S&P500 GW 78464A409 1,014 14,764 SH   SOLE 0 0 14,764
SPDR SERIES TRUST BLOMBRG BRC TIPS 78464A656 231 7,500 SH   SOLE 0 0 7,500
TARGET CORP COM 87612E106 2,902 12,851 SH   SOLE 0 0 12,851
TESLA INC COM 88160R101 389 377 SH   SOLE 0 0 377
UNION PAC CORP COM 907818108 810 3,271 SH   SOLE 0 0 3,271
VANGUARD BD INDEX FD INC SHORT TRM BOND 921937827 470 5,837 SH   SOLE 0 0 5,837
VERIZON COMMUNICATIONS INC COM 92343V104 3,874 72,391 SH   SOLE 0 0 72,391
VISA INC COM CL A 92826C839 238 1,107 SH   SOLE 0 0 1,107
WALGREENS BOOTS ALLIANCE INC COM 931427108 7,016 129,467 SH   SOLE 0 0 129,467
WALMART INC COM 931142103 674 4,635 SH   SOLE 0 0 4,635
WESTLAKE CHEM PARTNERS LP COM UNIT RP LP 960417103 1,799 66,234 SH   SOLE 0 0 66,234